157039160

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{9109}}^1$

素因数の和:9551

約数の個数: 32

約数和(自身を含む): 354196800

約数和(自身を除く): 197157640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 9109, 17240, 18218, 36436, 45545, 72872, 91090, 182180, 364360, 3925979, 7851958, 15703916, 19629895, 31407832, 39259790, 78519580, 157039160]

約数ペア:

[(1, 157039160), (2, 78519580), (4, 39259790), (5, 31407832), (8, 19629895), (10, 15703916), (20, 7851958), (40, 3925979), (431, 364360), (862, 182180), (1724, 91090), (2155, 72872), (3448, 45545), (4310, 36436), (8620, 18218), (9109, 17240)]