202012312525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{691}}^1\times {\mathrm{1979}}^1$

素因数の和:3010

約数の個数: 48

約数和(自身を含む): 265043750400

約数和(自身を除く): 63031437875

約数列:

[1, 5, 19, 25, 95, 311, 475, 691, 1555, 1979, 3455, 5909, 7775, 9895, 13129, 17275, 29545, 37601, 49475, 65645, 147725, 188005, 214901, 328225, 615469, 940025, 1074505, 1367489, 3077345, 4083119, 5372525, 6837445, 11693911, 15386725, 20415595, 25982291, 34187225, 58469555, 102077975, 129911455, 292347775, 425289079, 649557275, 2126445395, 8080492501, 10632226975, 40402462505, 202012312525]

約数ペア:

[(1, 202012312525), (5, 40402462505), (19, 10632226975), (25, 8080492501), (95, 2126445395), (311, 649557275), (475, 425289079), (691, 292347775), (1555, 129911455), (1979, 102077975), (3455, 58469555), (5909, 34187225), (7775, 25982291), (9895, 20415595), (13129, 15386725), (17275, 11693911), (29545, 6837445), (37601, 5372525), (49475, 4083119), (65645, 3077345), (147725, 1367489), (188005, 1074505), (214901, 940025), (328225, 615469)]