1310259820

素因数分解:

$2^2\times 5^1\times {\mathrm{65512991}}^1$

素因数の和:65513000

約数の個数: 12

約数和(自身を含む): 2751545664

約数和(自身を除く): 1441285844

約数列:

[1, 2, 4, 5, 10, 20, 65512991, 131025982, 262051964, 327564955, 655129910, 1310259820]

約数ペア:

[(1, 1310259820), (2, 655129910), (4, 327564955), (5, 262051964), (10, 131025982), (20, 65512991)]