239968606480

素因数分解:

$2^4\times 5^1\times {\mathrm{2999607581}}^1$

素因数の和:2999607594

約数の個数: 20

約数和(自身を含む): 557927010252

約数和(自身を除く): 317958403772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2999607581, 5999215162, 11998430324, 14998037905, 23996860648, 29996075810, 47993721296, 59992151620, 119984303240, 239968606480]

約数ペア:

[(1, 239968606480), (2, 119984303240), (4, 59992151620), (5, 47993721296), (8, 29996075810), (10, 23996860648), (16, 14998037905), (20, 11998430324), (40, 5999215162), (80, 2999607581)]