79963750

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 80

約数和(自身を含む): 163972512

約数和(自身を除く): 84008762

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 71, 85, 106, 125, 142, 170, 250, 265, 355, 425, 530, 625, 710, 850, 901, 1207, 1250, 1325, 1775, 1802, 2125, 2414, 2650, 3550, 3763, 4250, 4505, 6035, 6625, 7526, 8875, 9010, 10625, 12070, 13250, 17750, 18815, 21250, 22525, 30175, 33125, 37630, 44375, 45050, 60350, 63971, 66250, 88750, 94075, 112625, 127942, 150875, 188150, 225250, 301750, 319855, 470375, 563125, 639710, 754375, 940750, 1126250, 1508750, 1599275, 2351875, 3198550, 4703750, 7996375, 15992750, 39981875, 79963750]

約数ペア:

[(1, 79963750), (2, 39981875), (5, 15992750), (10, 7996375), (17, 4703750), (25, 3198550), (34, 2351875), (50, 1599275), (53, 1508750), (71, 1126250), (85, 940750), (106, 754375), (125, 639710), (142, 563125), (170, 470375), (250, 319855), (265, 301750), (355, 225250), (425, 188150), (530, 150875), (625, 127942), (710, 112625), (850, 94075), (901, 88750), (1207, 66250), (1250, 63971), (1325, 60350), (1775, 45050), (1802, 44375), (2125, 37630), (2414, 33125), (2650, 30175), (3550, 22525), (3763, 21250), (4250, 18815), (4505, 17750), (6035, 13250), (6625, 12070), (7526, 10625), (8875, 9010)]