39980620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32771}}^1$

素因数の和:32841

約数の個数: 24

約数和(自身を含む): 85338288

約数和(自身を除く): 45357668

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 32771, 65542, 131084, 163855, 327710, 655420, 1999031, 3998062, 7996124, 9995155, 19990310, 39980620]

約数ペア:

[(1, 39980620), (2, 19990310), (4, 9995155), (5, 7996124), (10, 3998062), (20, 1999031), (61, 655420), (122, 327710), (244, 163855), (305, 131084), (610, 65542), (1220, 32771)]