40885780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157253}}^1$

素因数の和:157275

約数の個数: 24

約数和(自身を含む): 92465352

約数和(自身を除く): 51579572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 157253, 314506, 629012, 786265, 1572530, 2044289, 3145060, 4088578, 8177156, 10221445, 20442890, 40885780]

約数ペア:

[(1, 40885780), (2, 20442890), (4, 10221445), (5, 8177156), (10, 4088578), (13, 3145060), (20, 2044289), (26, 1572530), (52, 786265), (65, 629012), (130, 314506), (260, 157253)]