66377975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2089}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 87077760

約数和(自身を除く): 20699785

約数列:

[1, 5, 25, 31, 41, 155, 205, 775, 1025, 1271, 2089, 6355, 10445, 31775, 52225, 64759, 85649, 323795, 428245, 1618975, 2141225, 2655119, 13275595, 66377975]

約数ペア:

[(1, 66377975), (5, 13275595), (25, 2655119), (31, 2141225), (41, 1618975), (155, 428245), (205, 323795), (775, 85649), (1025, 64759), (1271, 52225), (2089, 31775), (6355, 10445)]