8734760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1571}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 19807200

約数和(自身を除く): 11072440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1571, 2780, 3142, 5560, 6284, 7855, 12568, 15710, 31420, 62840, 218369, 436738, 873476, 1091845, 1746952, 2183690, 4367380, 8734760]

約数ペア:

[(1, 8734760), (2, 4367380), (4, 2183690), (5, 1746952), (8, 1091845), (10, 873476), (20, 436738), (40, 218369), (139, 62840), (278, 31420), (556, 15710), (695, 12568), (1112, 7855), (1390, 6284), (1571, 5560), (2780, 3142)]