40664090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{140221}}^1$

素因数の和:140257

約数の個数: 16

約数和(自身を含む): 75719880

約数和(自身を除く): 35055790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 140221, 280442, 701105, 1402210, 4066409, 8132818, 20332045, 40664090]

約数ペア:

[(1, 40664090), (2, 20332045), (5, 8132818), (10, 4066409), (29, 1402210), (58, 701105), (145, 280442), (290, 140221)]