68285750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21011}}^1$

素因数の和:21041

約数の個数: 32

約数和(自身を含む): 137670624

約数和(自身を除く): 69384874

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21011, 42022, 105055, 210110, 273143, 525275, 546286, 1050550, 1365715, 2626375, 2731430, 5252750, 6828575, 13657150, 34142875, 68285750]

約数ペア:

[(1, 68285750), (2, 34142875), (5, 13657150), (10, 6828575), (13, 5252750), (25, 2731430), (26, 2626375), (50, 1365715), (65, 1050550), (125, 546286), (130, 525275), (250, 273143), (325, 210110), (650, 105055), (1625, 42022), (3250, 21011)]