22501640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{80363}}^1$

素因数の和:80381

約数の個数: 32

約数和(自身を含む): 57862080

約数和(自身を除く): 35360440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 80363, 160726, 321452, 401815, 562541, 642904, 803630, 1125082, 1607260, 2250164, 2812705, 3214520, 4500328, 5625410, 11250820, 22501640]

約数ペア:

[(1, 22501640), (2, 11250820), (4, 5625410), (5, 4500328), (7, 3214520), (8, 2812705), (10, 2250164), (14, 1607260), (20, 1125082), (28, 803630), (35, 642904), (40, 562541), (56, 401815), (70, 321452), (140, 160726), (280, 80363)]