155004440

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{29581}}^1$

素因数の和:29723

約数の個数: 32

約数和(自身を含む): 351434160

約数和(自身を除く): 196429720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 29581, 59162, 118324, 147905, 236648, 295810, 591620, 1183240, 3875111, 7750222, 15500444, 19375555, 31000888, 38751110, 77502220, 155004440]

約数ペア:

[(1, 155004440), (2, 77502220), (4, 38751110), (5, 31000888), (8, 19375555), (10, 15500444), (20, 7750222), (40, 3875111), (131, 1183240), (262, 591620), (524, 295810), (655, 236648), (1048, 147905), (1310, 118324), (2620, 59162), (5240, 29581)]