8017960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4889}}^1$

素因数の和:4941

約数の個数: 32

約数和(自身を含む): 18484200

約数和(自身を除く): 10466240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4889, 9778, 19556, 24445, 39112, 48890, 97780, 195560, 200449, 400898, 801796, 1002245, 1603592, 2004490, 4008980, 8017960]

約数ペア:

[(1, 8017960), (2, 4008980), (4, 2004490), (5, 1603592), (8, 1002245), (10, 801796), (20, 400898), (40, 200449), (41, 195560), (82, 97780), (164, 48890), (205, 39112), (328, 24445), (410, 19556), (820, 9778), (1640, 4889)]