31100420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{119617}}^1$

素因数の和:119639

約数の個数: 24

約数和(自身を含む): 70335384

約数和(自身を除く): 39234964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 119617, 239234, 478468, 598085, 1196170, 1555021, 2392340, 3110042, 6220084, 7775105, 15550210, 31100420]

約数ペア:

[(1, 31100420), (2, 15550210), (4, 7775105), (5, 6220084), (10, 3110042), (13, 2392340), (20, 1555021), (26, 1196170), (52, 598085), (65, 478468), (130, 239234), (260, 119617)]