156988820

素因数分解:

$2^2\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{5717}}^1$

素因数の和:7099

約数の個数: 24

約数和(自身を含む): 329974344

約数和(自身を除く): 172985524

約数列:

[1, 2, 4, 5, 10, 20, 1373, 2746, 5492, 5717, 6865, 11434, 13730, 22868, 27460, 28585, 57170, 114340, 7849441, 15698882, 31397764, 39247205, 78494410, 156988820]

約数ペア:

[(1, 156988820), (2, 78494410), (4, 39247205), (5, 31397764), (10, 15698882), (20, 7849441), (1373, 114340), (2746, 57170), (5492, 28585), (5717, 27460), (6865, 22868), (11434, 13730)]