2013221975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1964119}}^1$

素因数の和:1964170

約数の個数: 12

約数和(自身を含む): 2557284240

約数和(自身を除く): 544062265

約数列:

[1, 5, 25, 41, 205, 1025, 1964119, 9820595, 49102975, 80528879, 402644395, 2013221975]

約数ペア:

[(1, 2013221975), (5, 402644395), (25, 80528879), (41, 49102975), (205, 9820595), (1025, 1964119)]