22222840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4241}}^1$

素因数の和:4383

約数の個数: 32

約数和(自身を含む): 50394960

約数和(自身を除く): 28172120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 4241, 5240, 8482, 16964, 21205, 33928, 42410, 84820, 169640, 555571, 1111142, 2222284, 2777855, 4444568, 5555710, 11111420, 22222840]

約数ペア:

[(1, 22222840), (2, 11111420), (4, 5555710), (5, 4444568), (8, 2777855), (10, 2222284), (20, 1111142), (40, 555571), (131, 169640), (262, 84820), (524, 42410), (655, 33928), (1048, 21205), (1310, 16964), (2620, 8482), (4241, 5240)]