2017656875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8563}}^1$

素因数の和:8625

約数の個数: 40

約数和(自身を含む): 2809163280

約数和(自身を除く): 791506405

約数列:

[1, 5, 13, 25, 29, 65, 125, 145, 325, 377, 625, 725, 1625, 1885, 3625, 8125, 8563, 9425, 18125, 42815, 47125, 111319, 214075, 235625, 248327, 556595, 1070375, 1241635, 2782975, 3228251, 5351875, 6208175, 13914875, 16141255, 31040875, 69574375, 80706275, 155204375, 403531375, 2017656875]

約数ペア:

[(1, 2017656875), (5, 403531375), (13, 155204375), (25, 80706275), (29, 69574375), (65, 31040875), (125, 16141255), (145, 13914875), (325, 6208175), (377, 5351875), (625, 3228251), (725, 2782975), (1625, 1241635), (1885, 1070375), (3625, 556595), (8125, 248327), (8563, 235625), (9425, 214075), (18125, 111319), (42815, 47125)]