39891020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153427}}^1$

素因数の和:153449

約数の個数: 24

約数和(自身を含む): 90215664

約数和(自身を除く): 50324644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 153427, 306854, 613708, 767135, 1534270, 1994551, 3068540, 3989102, 7978204, 9972755, 19945510, 39891020]

約数ペア:

[(1, 39891020), (2, 19945510), (4, 9972755), (5, 7978204), (10, 3989102), (13, 3068540), (20, 1994551), (26, 1534270), (52, 767135), (65, 613708), (130, 306854), (260, 153427)]