64650860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{111467}}^1$

素因数の和:111505

約数の個数: 24

約数和(自身を含む): 140449680

約数和(自身を除く): 75798820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 111467, 222934, 445868, 557335, 1114670, 2229340, 3232543, 6465086, 12930172, 16162715, 32325430, 64650860]

約数ペア:

[(1, 64650860), (2, 32325430), (4, 16162715), (5, 12930172), (10, 6465086), (20, 3232543), (29, 2229340), (58, 1114670), (116, 557335), (145, 445868), (290, 222934), (580, 111467)]