30931820

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1583}}^1$

素因数の和:2569

約数の個数: 24

約数和(自身を含む): 65064384

約数和(自身を除く): 34132564

約数列:

[1, 2, 4, 5, 10, 20, 977, 1583, 1954, 3166, 3908, 4885, 6332, 7915, 9770, 15830, 19540, 31660, 1546591, 3093182, 6186364, 7732955, 15465910, 30931820]

約数ペア:

[(1, 30931820), (2, 15465910), (4, 7732955), (5, 6186364), (10, 3093182), (20, 1546591), (977, 31660), (1583, 19540), (1954, 15830), (3166, 9770), (3908, 7915), (4885, 6332)]