80821131250

素因数分解:

$2^1\times 5^5\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{317}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 161849156616

約数和(自身を除く): 81028025366

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 113, 125, 190, 226, 250, 317, 361, 475, 565, 625, 634, 722, 950, 1130, 1250, 1585, 1805, 2147, 2375, 2825, 3125, 3170, 3610, 4294, 4750, 5650, 6023, 6250, 7925, 9025, 10735, 11875, 12046, 14125, 15850, 18050, 21470, 23750, 28250, 30115, 35821, 39625, 40793, 45125, 53675, 59375, 60230, 70625, 71642, 79250, 81586, 90250, 107350, 114437, 118750, 141250, 150575, 179105, 198125, 203965, 225625, 228874, 268375, 301150, 353125, 358210, 396250, 407930, 451250, 536750, 572185, 680599, 706250, 752875, 895525, 990625, 1019825, 1128125, 1144370, 1341875, 1361198, 1505750, 1791050, 1981250, 2039650, 2256250, 2683750, 2860925, 3402995, 3764375, 4477625, 5099125, 5721850, 6709375, 6805990, 7528750, 8955250, 10198250, 12931381, 13418750, 14304625, 17014975, 18821875, 22388125, 25495625, 25862762, 28609250, 34029950, 37643750, 44776250, 50991250, 64656905, 71523125, 85074875, 111940625, 127478125, 129313810, 143046250, 170149750, 223881250, 254956250, 323284525, 357615625, 425374375, 646569050, 715231250, 850748750, 1616422625, 2126871875, 3232845250, 4253743750, 8082113125, 16164226250, 40410565625, 80821131250]

約数ペア:

[(1, 80821131250), (2, 40410565625), (5, 16164226250), (10, 8082113125), (19, 4253743750), (25, 3232845250), (38, 2126871875), (50, 1616422625), (95, 850748750), (113, 715231250), (125, 646569050), (190, 425374375), (226, 357615625), (250, 323284525), (317, 254956250), (361, 223881250), (475, 170149750), (565, 143046250), (625, 129313810), (634, 127478125), (722, 111940625), (950, 85074875), (1130, 71523125), (1250, 64656905), (1585, 50991250), (1805, 44776250), (2147, 37643750), (2375, 34029950), (2825, 28609250), (3125, 25862762), (3170, 25495625), (3610, 22388125), (4294, 18821875), (4750, 17014975), (5650, 14304625), (6023, 13418750), (6250, 12931381), (7925, 10198250), (9025, 8955250), (10735, 7528750), (11875, 6805990), (12046, 6709375), (14125, 5721850), (15850, 5099125), (18050, 4477625), (21470, 3764375), (23750, 3402995), (28250, 2860925), (30115, 2683750), (35821, 2256250), (39625, 2039650), (40793, 1981250), (45125, 1791050), (53675, 1505750), (59375, 1361198), (60230, 1341875), (70625, 1144370), (71642, 1128125), (79250, 1019825), (81586, 990625), (90250, 895525), (107350, 752875), (114437, 706250), (118750, 680599), (141250, 572185), (150575, 536750), (179105, 451250), (198125, 407930), (203965, 396250), (225625, 358210), (228874, 353125), (268375, 301150)]