31840840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{27449}}^1$

素因数の和:27489

約数の個数: 32

約数和(自身を含む): 74115000

約数和(自身を除く): 42274160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 27449, 54898, 109796, 137245, 219592, 274490, 548980, 796021, 1097960, 1592042, 3184084, 3980105, 6368168, 7960210, 15920420, 31840840]

約数ペア:

[(1, 31840840), (2, 15920420), (4, 7960210), (5, 6368168), (8, 3980105), (10, 3184084), (20, 1592042), (29, 1097960), (40, 796021), (58, 548980), (116, 274490), (145, 219592), (232, 137245), (290, 109796), (580, 54898), (1160, 27449)]