30431140

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1567}}^1$

素因数の和:2547

約数の個数: 24

約数和(自身を含む): 64012032

約数和(自身を除く): 33580892

約数列:

[1, 2, 4, 5, 10, 20, 971, 1567, 1942, 3134, 3884, 4855, 6268, 7835, 9710, 15670, 19420, 31340, 1521557, 3043114, 6086228, 7607785, 15215570, 30431140]

約数ペア:

[(1, 30431140), (2, 15215570), (4, 7607785), (5, 6086228), (10, 3043114), (20, 1521557), (971, 31340), (1567, 19420), (1942, 15670), (3134, 9710), (3884, 7835), (4855, 6268)]