212864440

素因数分解:

$2^3\times 5^1\times {\mathrm{5321611}}^1$

素因数の和:5321622

約数の個数: 16

約数和(自身を含む): 478945080

約数和(自身を除く): 266080640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5321611, 10643222, 21286444, 26608055, 42572888, 53216110, 106432220, 212864440]

約数ペア:

[(1, 212864440), (2, 106432220), (4, 53216110), (5, 42572888), (8, 26608055), (10, 21286444), (20, 10643222), (40, 5321611)]