156939003880

素因数分解:

$2^3\times 5^1\times {\mathrm{3923475097}}^1$

素因数の和:3923475108

約数の個数: 16

約数和(自身を含む): 353112758820

約数和(自身を除く): 196173754940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3923475097, 7846950194, 15693900388, 19617375485, 31387800776, 39234750970, 78469501940, 156939003880]

約数ペア:

[(1, 156939003880), (2, 78469501940), (4, 39234750970), (5, 31387800776), (8, 19617375485), (10, 15693900388), (20, 7846950194), (40, 3923475097)]