20163980500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{18679}}^1$

素因数の和:18842

約数の個数: 96

約数和(自身を含む): 46998282240

約数和(自身を除く): 26834301740

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 127, 170, 250, 254, 340, 425, 500, 508, 635, 850, 1270, 1700, 2125, 2159, 2540, 3175, 4250, 4318, 6350, 8500, 8636, 10795, 12700, 15875, 18679, 21590, 31750, 37358, 43180, 53975, 63500, 74716, 93395, 107950, 186790, 215900, 269875, 317543, 373580, 466975, 539750, 635086, 933950, 1079500, 1270172, 1587715, 1867900, 2334875, 2372233, 3175430, 4669750, 4744466, 6350860, 7938575, 9339500, 9488932, 11861165, 15877150, 23722330, 31754300, 39692875, 40327961, 47444660, 59305825, 79385750, 80655922, 118611650, 158771500, 161311844, 201639805, 237223300, 296529125, 403279610, 593058250, 806559220, 1008199025, 1186116500, 2016398050, 4032796100, 5040995125, 10081990250, 20163980500]

約数ペア:

[(1, 20163980500), (2, 10081990250), (4, 5040995125), (5, 4032796100), (10, 2016398050), (17, 1186116500), (20, 1008199025), (25, 806559220), (34, 593058250), (50, 403279610), (68, 296529125), (85, 237223300), (100, 201639805), (125, 161311844), (127, 158771500), (170, 118611650), (250, 80655922), (254, 79385750), (340, 59305825), (425, 47444660), (500, 40327961), (508, 39692875), (635, 31754300), (850, 23722330), (1270, 15877150), (1700, 11861165), (2125, 9488932), (2159, 9339500), (2540, 7938575), (3175, 6350860), (4250, 4744466), (4318, 4669750), (6350, 3175430), (8500, 2372233), (8636, 2334875), (10795, 1867900), (12700, 1587715), (15875, 1270172), (18679, 1079500), (21590, 933950), (31750, 635086), (37358, 539750), (43180, 466975), (53975, 373580), (63500, 317543), (74716, 269875), (93395, 215900), (107950, 186790)]