618020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2377}}^1$

素因数の和:2399

約数の個数: 24

約数和(自身を含む): 1398264

約数和(自身を除く): 780244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2377, 4754, 9508, 11885, 23770, 30901, 47540, 61802, 123604, 154505, 309010, 618020]

約数ペア:

[(1, 618020), (2, 309010), (4, 154505), (5, 123604), (10, 61802), (13, 47540), (20, 30901), (26, 23770), (52, 11885), (65, 9508), (130, 4754), (260, 2377)]