66447820

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{5839}}^1$

素因数の和:6417

約数の個数: 24

約数和(自身を含む): 139809600

約数和(自身を除く): 73361780

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 5690, 5839, 11380, 11678, 23356, 29195, 58390, 116780, 3322391, 6644782, 13289564, 16611955, 33223910, 66447820]

約数ペア:

[(1, 66447820), (2, 33223910), (4, 16611955), (5, 13289564), (10, 6644782), (20, 3322391), (569, 116780), (1138, 58390), (2276, 29195), (2845, 23356), (5690, 11678), (5839, 11380)]