2220792440

素因数分解:

$2^3\times 5^1\times {\mathrm{55519811}}^1$

素因数の和:55519822

約数の個数: 16

約数和(自身を含む): 4996783080

約数和(自身を除く): 2775990640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 55519811, 111039622, 222079244, 277599055, 444158488, 555198110, 1110396220, 2220792440]

約数ペア:

[(1, 2220792440), (2, 1110396220), (4, 555198110), (5, 444158488), (8, 277599055), (10, 222079244), (20, 111039622), (40, 55519811)]