20163787250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 40137596928

約数和(自身を除く): 19973809678

約数列:

[1, 2, 5, 10, 25, 31, 47, 50, 62, 94, 125, 155, 197, 235, 250, 281, 310, 394, 470, 562, 775, 985, 1175, 1405, 1457, 1550, 1970, 2350, 2810, 2914, 3875, 4925, 5875, 6107, 7025, 7285, 7750, 8711, 9259, 9850, 11750, 12214, 13207, 14050, 14570, 17422, 18518, 24625, 26414, 30535, 35125, 36425, 43555, 46295, 49250, 55357, 61070, 66035, 70250, 72850, 87110, 92590, 110714, 132070, 152675, 182125, 217775, 231475, 276785, 287029, 305350, 330175, 364250, 409417, 435550, 462950, 553570, 574058, 660350, 763375, 818834, 1088875, 1157375, 1383925, 1435145, 1526750, 1650875, 1716067, 2047085, 2177750, 2314750, 2601779, 2767850, 2870290, 3301750, 3432134, 4094170, 5203558, 6919625, 7175725, 8580335, 10235425, 13008895, 13839250, 14351450, 17160670, 20470850, 26017790, 35878625, 42901675, 51177125, 65044475, 71757250, 80655149, 85803350, 102354250, 130088950, 161310298, 214508375, 325222375, 403275745, 429016750, 650444750, 806551490, 2016378725, 4032757450, 10081893625, 20163787250]

約数ペア:

[(1, 20163787250), (2, 10081893625), (5, 4032757450), (10, 2016378725), (25, 806551490), (31, 650444750), (47, 429016750), (50, 403275745), (62, 325222375), (94, 214508375), (125, 161310298), (155, 130088950), (197, 102354250), (235, 85803350), (250, 80655149), (281, 71757250), (310, 65044475), (394, 51177125), (470, 42901675), (562, 35878625), (775, 26017790), (985, 20470850), (1175, 17160670), (1405, 14351450), (1457, 13839250), (1550, 13008895), (1970, 10235425), (2350, 8580335), (2810, 7175725), (2914, 6919625), (3875, 5203558), (4925, 4094170), (5875, 3432134), (6107, 3301750), (7025, 2870290), (7285, 2767850), (7750, 2601779), (8711, 2314750), (9259, 2177750), (9850, 2047085), (11750, 1716067), (12214, 1650875), (13207, 1526750), (14050, 1435145), (14570, 1383925), (17422, 1157375), (18518, 1088875), (24625, 818834), (26414, 763375), (30535, 660350), (35125, 574058), (36425, 553570), (43555, 462950), (46295, 435550), (49250, 409417), (55357, 364250), (61070, 330175), (66035, 305350), (70250, 287029), (72850, 276785), (87110, 231475), (92590, 217775), (110714, 182125), (132070, 152675)]