78479080

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{14321}}^1$

素因数の和:14469

約数の個数: 32

約数和(自身を含む): 177879240

約数和(自身を除く): 99400160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 14321, 28642, 57284, 71605, 114568, 143210, 286420, 572840, 1961977, 3923954, 7847908, 9809885, 15695816, 19619770, 39239540, 78479080]

約数ペア:

[(1, 78479080), (2, 39239540), (4, 19619770), (5, 15695816), (8, 9809885), (10, 7847908), (20, 3923954), (40, 1961977), (137, 572840), (274, 286420), (548, 143210), (685, 114568), (1096, 71605), (1370, 57284), (2740, 28642), (5480, 14321)]