39867220

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3491}}^1$

素因数の和:4071

約数の個数: 24

約数和(自身を含む): 83891808

約数和(自身を除く): 44024588

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 3491, 5710, 6982, 11420, 13964, 17455, 34910, 69820, 1993361, 3986722, 7973444, 9966805, 19933610, 39867220]

約数ペア:

[(1, 39867220), (2, 19933610), (4, 9966805), (5, 7973444), (10, 3986722), (20, 1993361), (571, 69820), (1142, 34910), (2284, 17455), (2855, 13964), (3491, 11420), (5710, 6982)]