31922020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122777}}^1$

素因数の和:122799

約数の個数: 24

約数和(自身を含む): 72193464

約数和(自身を除く): 40271444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 122777, 245554, 491108, 613885, 1227770, 1596101, 2455540, 3192202, 6384404, 7980505, 15961010, 31922020]

約数ペア:

[(1, 31922020), (2, 15961010), (4, 7980505), (5, 6384404), (10, 3192202), (13, 2455540), (20, 1596101), (26, 1227770), (52, 613885), (65, 491108), (130, 245554), (260, 122777)]