40458808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389027}}^1$

素因数の和:389046

約数の個数: 16

約数和(自身を含む): 81695880

約数和(自身を除く): 41237072

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389027, 778054, 1556108, 3112216, 5057351, 10114702, 20229404, 40458808]

約数ペア:

[(1, 40458808), (2, 20229404), (4, 10114702), (8, 5057351), (13, 3112216), (26, 1556108), (52, 778054), (104, 389027)]