25242256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121357}}^1$

素因数の和:121378

約数の個数: 20

約数和(自身を含む): 52669372

約数和(自身を除く): 27427116

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121357, 242714, 485428, 970856, 1577641, 1941712, 3155282, 6310564, 12621128, 25242256]

約数ペア:

[(1, 25242256), (2, 12621128), (4, 6310564), (8, 3155282), (13, 1941712), (16, 1577641), (26, 970856), (52, 485428), (104, 242714), (208, 121357)]