129124220

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{9887}}^1$

素因数の和:10549

約数の個数: 24

約数和(自身を含む): 271603584

約数和(自身を除く): 142479364

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6530, 9887, 13060, 19774, 39548, 49435, 98870, 197740, 6456211, 12912422, 25824844, 32281055, 64562110, 129124220]

約数ペア:

[(1, 129124220), (2, 64562110), (4, 32281055), (5, 25824844), (10, 12912422), (20, 6456211), (653, 197740), (1306, 98870), (2612, 49435), (3265, 39548), (6530, 19774), (9887, 13060)]