9396440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3851}}^1$

素因数の和:3923

約数の個数: 32

約数和(自身を含む): 21494160

約数和(自身を除く): 12097720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3851, 7702, 15404, 19255, 30808, 38510, 77020, 154040, 234911, 469822, 939644, 1174555, 1879288, 2349110, 4698220, 9396440]

約数ペア:

[(1, 9396440), (2, 4698220), (4, 2349110), (5, 1879288), (8, 1174555), (10, 939644), (20, 469822), (40, 234911), (61, 154040), (122, 77020), (244, 38510), (305, 30808), (488, 19255), (610, 15404), (1220, 7702), (2440, 3851)]