680620240

素因数分解:

$2^4\times 5^1\times {\mathrm{8507753}}^1$

素因数の和:8507766

約数の個数: 20

約数和(自身を含む): 1582442244

約数和(自身を除く): 901822004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8507753, 17015506, 34031012, 42538765, 68062024, 85077530, 136124048, 170155060, 340310120, 680620240]

約数ペア:

[(1, 680620240), (2, 340310120), (4, 170155060), (5, 136124048), (8, 85077530), (10, 68062024), (16, 42538765), (20, 34031012), (40, 17015506), (80, 8507753)]