2215202420

素因数分解:

$2^2\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{86599}}^1$

素因数の和:87887

約数の個数: 24

約数和(自身を含む): 4655616000

約数和(自身を除く): 2440413580

約数列:

[1, 2, 4, 5, 10, 20, 1279, 2558, 5116, 6395, 12790, 25580, 86599, 173198, 346396, 432995, 865990, 1731980, 110760121, 221520242, 443040484, 553800605, 1107601210, 2215202420]

約数ペア:

[(1, 2215202420), (2, 1107601210), (4, 553800605), (5, 443040484), (10, 221520242), (20, 110760121), (1279, 1731980), (2558, 865990), (5116, 432995), (6395, 346396), (12790, 173198), (25580, 86599)]