122172220

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{22541}}^1$

素因数の和:22821

約数の個数: 24

約数和(自身を含む): 257519808

約数和(自身を除く): 135347588

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 22541, 45082, 90164, 112705, 225410, 450820, 6108611, 12217222, 24434444, 30543055, 61086110, 122172220]

約数ペア:

[(1, 122172220), (2, 61086110), (4, 30543055), (5, 24434444), (10, 12217222), (20, 6108611), (271, 450820), (542, 225410), (1084, 112705), (1355, 90164), (2710, 45082), (5420, 22541)]