64180240

素因数分解:

$2^4\times 5^1\times {\mathrm{802253}}^1$

素因数の和:802266

約数の個数: 20

約数和(自身を含む): 149219244

約数和(自身を除く): 85039004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 802253, 1604506, 3209012, 4011265, 6418024, 8022530, 12836048, 16045060, 32090120, 64180240]

約数ペア:

[(1, 64180240), (2, 32090120), (4, 16045060), (5, 12836048), (8, 8022530), (10, 6418024), (16, 4011265), (20, 3209012), (40, 1604506), (80, 802253)]