31049360

素因数分解:

$2^4\times 5^1\times {\mathrm{388117}}^1$

素因数の和:388130

約数の個数: 20

約数和(自身を含む): 72189948

約数和(自身を除く): 41140588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 388117, 776234, 1552468, 1940585, 3104936, 3881170, 6209872, 7762340, 15524680, 31049360]

約数ペア:

[(1, 31049360), (2, 15524680), (4, 7762340), (5, 6209872), (8, 3881170), (10, 3104936), (16, 1940585), (20, 1552468), (40, 776234), (80, 388117)]