133097480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{81157}}^1$

素因数の和:81209

約数の個数: 32

約数和(自身を含む): 306777240

約数和(自身を除く): 173679760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 81157, 162314, 324628, 405785, 649256, 811570, 1623140, 3246280, 3327437, 6654874, 13309748, 16637185, 26619496, 33274370, 66548740, 133097480]

約数ペア:

[(1, 133097480), (2, 66548740), (4, 33274370), (5, 26619496), (8, 16637185), (10, 13309748), (20, 6654874), (40, 3327437), (41, 3246280), (82, 1623140), (164, 811570), (205, 649256), (328, 405785), (410, 324628), (820, 162314), (1640, 81157)]