25611820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98507}}^1$

素因数の和:98529

約数の個数: 24

約数和(自身を含む): 57922704

約数和(自身を除く): 32310884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98507, 197014, 394028, 492535, 985070, 1280591, 1970140, 2561182, 5122364, 6402955, 12805910, 25611820]

約数ペア:

[(1, 25611820), (2, 12805910), (4, 6402955), (5, 5122364), (10, 2561182), (13, 1970140), (20, 1280591), (26, 985070), (52, 492535), (65, 394028), (130, 197014), (260, 98507)]