31380820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{10391}}^1$

素因数の和:10551

約数の個数: 24

約数和(自身を含む): 66342528

約数和(自身を除く): 34961708

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 10391, 20782, 41564, 51955, 103910, 207820, 1569041, 3138082, 6276164, 7845205, 15690410, 31380820]

約数ペア:

[(1, 31380820), (2, 15690410), (4, 7845205), (5, 6276164), (10, 3138082), (20, 1569041), (151, 207820), (302, 103910), (604, 51955), (755, 41564), (1510, 20782), (3020, 10391)]