129685880

素因数分解:

$2^3\times 5^1\times {\mathrm{3242147}}^1$

素因数の和:3242158

約数の個数: 16

約数和(自身を含む): 291793320

約数和(自身を除く): 162107440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3242147, 6484294, 12968588, 16210735, 25937176, 32421470, 64842940, 129685880]

約数ペア:

[(1, 129685880), (2, 64842940), (4, 32421470), (5, 25937176), (8, 16210735), (10, 12968588), (20, 6484294), (40, 3242147)]