4204220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6781}}^1$

素因数の和:6821

約数の個数: 24

約数和(自身を含む): 9115008

約数和(自身を除く): 4910788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6781, 13562, 27124, 33905, 67810, 135620, 210211, 420422, 840844, 1051055, 2102110, 4204220]

約数ペア:

[(1, 4204220), (2, 2102110), (4, 1051055), (5, 840844), (10, 420422), (20, 210211), (31, 135620), (62, 67810), (124, 33905), (155, 27124), (310, 13562), (620, 6781)]