25705310

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{647}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 48288960

約数和(自身を除く): 22583650

約数列:

[1, 2, 5, 10, 29, 58, 137, 145, 274, 290, 647, 685, 1294, 1370, 3235, 3973, 6470, 7946, 18763, 19865, 37526, 39730, 88639, 93815, 177278, 187630, 443195, 886390, 2570531, 5141062, 12852655, 25705310]

約数ペア:

[(1, 25705310), (2, 12852655), (5, 5141062), (10, 2570531), (29, 886390), (58, 443195), (137, 187630), (145, 177278), (274, 93815), (290, 88639), (647, 39730), (685, 37526), (1294, 19865), (1370, 18763), (3235, 7946), (3973, 6470)]