25107472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{120709}}^1$

素因数の和:120730

約数の個数: 20

約数和(自身を含む): 52388140

約数和(自身を除く): 27280668

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 120709, 241418, 482836, 965672, 1569217, 1931344, 3138434, 6276868, 12553736, 25107472]

約数ペア:

[(1, 25107472), (2, 12553736), (4, 6276868), (8, 3138434), (13, 1931344), (16, 1569217), (26, 965672), (52, 482836), (104, 241418), (208, 120709)]