39403640

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1607}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 88858080

約数和(自身を除く): 49454440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 1607, 2452, 3065, 3214, 4904, 6130, 6428, 8035, 12260, 12856, 16070, 24520, 32140, 64280, 985091, 1970182, 3940364, 4925455, 7880728, 9850910, 19701820, 39403640]

約数ペア:

[(1, 39403640), (2, 19701820), (4, 9850910), (5, 7880728), (8, 4925455), (10, 3940364), (20, 1970182), (40, 985091), (613, 64280), (1226, 32140), (1607, 24520), (2452, 16070), (3065, 12856), (3214, 12260), (4904, 8035), (6130, 6428)]