25353220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 56568960

約数和(自身を除く): 31215740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 487, 548, 685, 974, 1370, 1948, 2435, 2603, 2740, 4870, 5206, 9253, 9740, 10412, 13015, 18506, 26030, 37012, 46265, 52060, 66719, 92530, 133438, 185060, 266876, 333595, 667190, 1267661, 1334380, 2535322, 5070644, 6338305, 12676610, 25353220]

約数ペア:

[(1, 25353220), (2, 12676610), (4, 6338305), (5, 5070644), (10, 2535322), (19, 1334380), (20, 1267661), (38, 667190), (76, 333595), (95, 266876), (137, 185060), (190, 133438), (274, 92530), (380, 66719), (487, 52060), (548, 46265), (685, 37012), (974, 26030), (1370, 18506), (1948, 13015), (2435, 10412), (2603, 9740), (2740, 9253), (4870, 5206)]