40887340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157259}}^1$

素因数の和:157281

約数の個数: 24

約数和(自身を含む): 92468880

約数和(自身を除く): 51581540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 157259, 314518, 629036, 786295, 1572590, 2044367, 3145180, 4088734, 8177468, 10221835, 20443670, 40887340]

約数ペア:

[(1, 40887340), (2, 20443670), (4, 10221835), (5, 8177468), (10, 4088734), (13, 3145180), (20, 2044367), (26, 1572590), (52, 786295), (65, 629036), (130, 314518), (260, 157259)]