1640392975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{174047}}^1$

素因数の和:174099

約数の個数: 24

約数和(自身を含む): 2266104960

約数和(自身を除く): 625711985

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 9425, 174047, 870235, 2262611, 4351175, 5047363, 11313055, 25236815, 56565275, 65615719, 126184075, 328078595, 1640392975]

約数ペア:

[(1, 1640392975), (5, 328078595), (13, 126184075), (25, 65615719), (29, 56565275), (65, 25236815), (145, 11313055), (325, 5047363), (377, 4351175), (725, 2262611), (1885, 870235), (9425, 174047)]