80906020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311177}}^1$

素因数の和:311199

約数の個数: 24

約数和(自身を含む): 182972664

約数和(自身を除く): 102066644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311177, 622354, 1244708, 1555885, 3111770, 4045301, 6223540, 8090602, 16181204, 20226505, 40453010, 80906020]

約数ペア:

[(1, 80906020), (2, 40453010), (4, 20226505), (5, 16181204), (10, 8090602), (13, 6223540), (20, 4045301), (26, 3111770), (52, 1555885), (65, 1244708), (130, 622354), (260, 311177)]