3163640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 7182000

約数和(自身を除く): 4018360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 569, 695, 1112, 1138, 1390, 2276, 2780, 2845, 4552, 5560, 5690, 11380, 22760, 79091, 158182, 316364, 395455, 632728, 790910, 1581820, 3163640]

約数ペア:

[(1, 3163640), (2, 1581820), (4, 790910), (5, 632728), (8, 395455), (10, 316364), (20, 158182), (40, 79091), (139, 22760), (278, 11380), (556, 5690), (569, 5560), (695, 4552), (1112, 2845), (1138, 2780), (1390, 2276)]