6640820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10711}}^1$

素因数の和:10751

約数の個数: 24

約数和(自身を含む): 14396928

約数和(自身を除く): 7756108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 10711, 21422, 42844, 53555, 107110, 214220, 332041, 664082, 1328164, 1660205, 3320410, 6640820]

約数ペア:

[(1, 6640820), (2, 3320410), (4, 1660205), (5, 1328164), (10, 664082), (20, 332041), (31, 214220), (62, 107110), (124, 53555), (155, 42844), (310, 21422), (620, 10711)]