15328520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2351}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 34715520

約数和(自身を除く): 19387000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 2351, 3260, 4702, 6520, 9404, 11755, 18808, 23510, 47020, 94040, 383213, 766426, 1532852, 1916065, 3065704, 3832130, 7664260, 15328520]

約数ペア:

[(1, 15328520), (2, 7664260), (4, 3832130), (5, 3065704), (8, 1916065), (10, 1532852), (20, 766426), (40, 383213), (163, 94040), (326, 47020), (652, 23510), (815, 18808), (1304, 11755), (1630, 9404), (2351, 6520), (3260, 4702)]