139350040

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{5521}}^1$

素因数の和:6163

約数の個数: 32

約数和(自身を含む): 314091360

約数和(自身を除く): 174741320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 3155, 5048, 5521, 6310, 11042, 12620, 22084, 25240, 27605, 44168, 55210, 110420, 220840, 3483751, 6967502, 13935004, 17418755, 27870008, 34837510, 69675020, 139350040]

約数ペア:

[(1, 139350040), (2, 69675020), (4, 34837510), (5, 27870008), (8, 17418755), (10, 13935004), (20, 6967502), (40, 3483751), (631, 220840), (1262, 110420), (2524, 55210), (3155, 44168), (5048, 27605), (5521, 25240), (6310, 22084), (11042, 12620)]