87948380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{338263}}^1$

素因数の和:338285

約数の個数: 24

約数和(自身を含む): 198899232

約数和(自身を除く): 110950852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 338263, 676526, 1353052, 1691315, 3382630, 4397419, 6765260, 8794838, 17589676, 21987095, 43974190, 87948380]

約数ペア:

[(1, 87948380), (2, 43974190), (4, 21987095), (5, 17589676), (10, 8794838), (13, 6765260), (20, 4397419), (26, 3382630), (52, 1691315), (65, 1353052), (130, 676526), (260, 338263)]