31302220

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2741}}^1$

素因数の和:3321

約数の個数: 24

約数和(自身を含む): 65873808

約数和(自身を除く): 34571588

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2741, 2855, 5482, 5710, 10964, 11420, 13705, 27410, 54820, 1565111, 3130222, 6260444, 7825555, 15651110, 31302220]

約数ペア:

[(1, 31302220), (2, 15651110), (4, 7825555), (5, 6260444), (10, 3130222), (20, 1565111), (571, 54820), (1142, 27410), (2284, 13705), (2741, 11420), (2855, 10964), (5482, 5710)]