40418480

素因数分解:

$2^4\times 5^1\times {\mathrm{505231}}^1$

素因数の和:505244

約数の個数: 20

約数和(自身を含む): 93973152

約数和(自身を除く): 53554672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505231, 1010462, 2020924, 2526155, 4041848, 5052310, 8083696, 10104620, 20209240, 40418480]

約数ペア:

[(1, 40418480), (2, 20209240), (4, 10104620), (5, 8083696), (8, 5052310), (10, 4041848), (16, 2526155), (20, 2020924), (40, 1010462), (80, 505231)]