22278280

素因数分解:

$2^3\times 5^1\times {\mathrm{556957}}^1$

素因数の和:556968

約数の個数: 16

約数和(自身を含む): 50126220

約数和(自身を除く): 27847940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 556957, 1113914, 2227828, 2784785, 4455656, 5569570, 11139140, 22278280]

約数ペア:

[(1, 22278280), (2, 11139140), (4, 5569570), (5, 4455656), (8, 2784785), (10, 2227828), (20, 1113914), (40, 556957)]