64067980

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{4861}}^1$

素因数の和:5529

約数の個数: 24

約数和(自身を含む): 134774640

約数和(自身を除く): 70706660

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 4861, 6590, 9722, 13180, 19444, 24305, 48610, 97220, 3203399, 6406798, 12813596, 16016995, 32033990, 64067980]

約数ペア:

[(1, 64067980), (2, 32033990), (4, 16016995), (5, 12813596), (10, 6406798), (20, 3203399), (659, 97220), (1318, 48610), (2636, 24305), (3295, 19444), (4861, 13180), (6590, 9722)]