8349640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16057}}^1$

素因数の和:16081

約数の個数: 32

約数和(自身を含む): 20233080

約数和(自身を除く): 11883440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16057, 32114, 64228, 80285, 128456, 160570, 208741, 321140, 417482, 642280, 834964, 1043705, 1669928, 2087410, 4174820, 8349640]

約数ペア:

[(1, 8349640), (2, 4174820), (4, 2087410), (5, 1669928), (8, 1043705), (10, 834964), (13, 642280), (20, 417482), (26, 321140), (40, 208741), (52, 160570), (65, 128456), (104, 80285), (130, 64228), (260, 32114), (520, 16057)]