25897820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99607}}^1$

素因数の和:99629

約数の個数: 24

約数和(自身を含む): 58569504

約数和(自身を除く): 32671684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99607, 199214, 398428, 498035, 996070, 1294891, 1992140, 2589782, 5179564, 6474455, 12948910, 25897820]

約数ペア:

[(1, 25897820), (2, 12948910), (4, 6474455), (5, 5179564), (10, 2589782), (13, 1992140), (20, 1294891), (26, 996070), (52, 498035), (65, 398428), (130, 199214), (260, 99607)]