808340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3109}}^1$

素因数の和:3131

約数の個数: 24

約数和(自身を含む): 1828680

約数和(自身を除く): 1020340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3109, 6218, 12436, 15545, 31090, 40417, 62180, 80834, 161668, 202085, 404170, 808340]

約数ペア:

[(1, 808340), (2, 404170), (4, 202085), (5, 161668), (10, 80834), (13, 62180), (20, 40417), (26, 31090), (52, 15545), (65, 12436), (130, 6218), (260, 3109)]