331314440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{202021}}^1$

素因数の和:202073

約数の個数: 32

約数和(自身を含む): 763643160

約数和(自身を除く): 432328720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 202021, 404042, 808084, 1010105, 1616168, 2020210, 4040420, 8080840, 8282861, 16565722, 33131444, 41414305, 66262888, 82828610, 165657220, 331314440]

約数ペア:

[(1, 331314440), (2, 165657220), (4, 82828610), (5, 66262888), (8, 41414305), (10, 33131444), (20, 16565722), (40, 8282861), (41, 8080840), (82, 4040420), (164, 2020210), (205, 1616168), (328, 1010105), (410, 808084), (820, 404042), (1640, 202021)]