39709520

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3571}}^1$

素因数の和:3723

約数の個数: 40

約数和(自身を含む): 93014880

約数和(自身を除く): 53305360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 3571, 5560, 7142, 11120, 14284, 17855, 28568, 35710, 57136, 71420, 142840, 285680, 496369, 992738, 1985476, 2481845, 3970952, 4963690, 7941904, 9927380, 19854760, 39709520]

約数ペア:

[(1, 39709520), (2, 19854760), (4, 9927380), (5, 7941904), (8, 4963690), (10, 3970952), (16, 2481845), (20, 1985476), (40, 992738), (80, 496369), (139, 285680), (278, 142840), (556, 71420), (695, 57136), (1112, 35710), (1390, 28568), (2224, 17855), (2780, 14284), (3571, 11120), (5560, 7142)]