222365680

素因数分解:

$2^4\times 5^1\times {\mathrm{2779571}}^1$

素因数の和:2779584

約数の個数: 20

約数和(自身を含む): 517000392

約数和(自身を除く): 294634712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2779571, 5559142, 11118284, 13897855, 22236568, 27795710, 44473136, 55591420, 111182840, 222365680]

約数ペア:

[(1, 222365680), (2, 111182840), (4, 55591420), (5, 44473136), (8, 27795710), (10, 22236568), (16, 13897855), (20, 11118284), (40, 5559142), (80, 2779571)]