6442420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10391}}^1$

素因数の和:10431

約数の個数: 24

約数和(自身を含む): 13966848

約数和(自身を除く): 7524428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 10391, 20782, 41564, 51955, 103910, 207820, 322121, 644242, 1288484, 1610605, 3221210, 6442420]

約数ペア:

[(1, 6442420), (2, 3221210), (4, 1610605), (5, 1288484), (10, 644242), (20, 322121), (31, 207820), (62, 103910), (124, 51955), (155, 41564), (310, 20782), (620, 10391)]