39746920

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1621}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 89631720

約数和(自身を除く): 49884800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 1621, 2452, 3065, 3242, 4904, 6130, 6484, 8105, 12260, 12968, 16210, 24520, 32420, 64840, 993673, 1987346, 3974692, 4968365, 7949384, 9936730, 19873460, 39746920]

約数ペア:

[(1, 39746920), (2, 19873460), (4, 9936730), (5, 7949384), (8, 4968365), (10, 3974692), (20, 1987346), (40, 993673), (613, 64840), (1226, 32420), (1621, 24520), (2452, 16210), (3065, 12968), (3242, 12260), (4904, 8105), (6130, 6484)]