85171580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{327583}}^1$

素因数の和:327605

約数の個数: 24

約数和(自身を含む): 192619392

約数和(自身を除く): 107447812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 327583, 655166, 1310332, 1637915, 3275830, 4258579, 6551660, 8517158, 17034316, 21292895, 42585790, 85171580]

約数ペア:

[(1, 85171580), (2, 42585790), (4, 21292895), (5, 17034316), (10, 8517158), (13, 6551660), (20, 4258579), (26, 3275830), (52, 1637915), (65, 1310332), (130, 655166), (260, 327583)]