30564680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18637}}^1$

素因数の和:18689

約数の個数: 32

約数和(自身を含む): 70451640

約数和(自身を除く): 39886960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18637, 37274, 74548, 93185, 149096, 186370, 372740, 745480, 764117, 1528234, 3056468, 3820585, 6112936, 7641170, 15282340, 30564680]

約数ペア:

[(1, 30564680), (2, 15282340), (4, 7641170), (5, 6112936), (8, 3820585), (10, 3056468), (20, 1528234), (40, 764117), (41, 745480), (82, 372740), (164, 186370), (205, 149096), (328, 93185), (410, 74548), (820, 37274), (1640, 18637)]