9875920

素因数分解:

$2^4\times 5^1\times {\mathrm{123449}}^1$

素因数の和:123462

約数の個数: 20

約数和(自身を含む): 22961700

約数和(自身を除く): 13085780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123449, 246898, 493796, 617245, 987592, 1234490, 1975184, 2468980, 4937960, 9875920]

約数ペア:

[(1, 9875920), (2, 4937960), (4, 2468980), (5, 1975184), (8, 1234490), (10, 987592), (16, 617245), (20, 493796), (40, 246898), (80, 123449)]