79493840

素因数分解:

$2^4\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1621}}^1$

素因数の和:2247

約数の個数: 40

約数和(自身を含む): 185238888

約数和(自身を除く): 105745048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 613, 1226, 1621, 2452, 3065, 3242, 4904, 6130, 6484, 8105, 9808, 12260, 12968, 16210, 24520, 25936, 32420, 49040, 64840, 129680, 993673, 1987346, 3974692, 4968365, 7949384, 9936730, 15898768, 19873460, 39746920, 79493840]

約数ペア:

[(1, 79493840), (2, 39746920), (4, 19873460), (5, 15898768), (8, 9936730), (10, 7949384), (16, 4968365), (20, 3974692), (40, 1987346), (80, 993673), (613, 129680), (1226, 64840), (1621, 49040), (2452, 32420), (3065, 25936), (3242, 24520), (4904, 16210), (6130, 12968), (6484, 12260), (8105, 9808)]