131709080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106217}}^1$

素因数の和:106259

約数の個数: 32

約数和(自身を含む): 305907840

約数和(自身を除く): 174198760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 106217, 212434, 424868, 531085, 849736, 1062170, 2124340, 3292727, 4248680, 6585454, 13170908, 16463635, 26341816, 32927270, 65854540, 131709080]

約数ペア:

[(1, 131709080), (2, 65854540), (4, 32927270), (5, 26341816), (8, 16463635), (10, 13170908), (20, 6585454), (31, 4248680), (40, 3292727), (62, 2124340), (124, 1062170), (155, 849736), (248, 531085), (310, 424868), (620, 212434), (1240, 106217)]