156976880

素因数分解:

$2^4\times 5^1\times {\mathrm{1962211}}^1$

素因数の和:1962224

約数の個数: 20

約数和(自身を含む): 364971432

約数和(自身を除く): 207994552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962211, 3924422, 7848844, 9811055, 15697688, 19622110, 31395376, 39244220, 78488440, 156976880]

約数ペア:

[(1, 156976880), (2, 78488440), (4, 39244220), (5, 31395376), (8, 19622110), (10, 15697688), (16, 9811055), (20, 7848844), (40, 3924422), (80, 1962211)]