166756840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101681}}^1$

素因数の和:101733

約数の個数: 32

約数和(自身を含む): 384357960

約数和(自身を除く): 217601120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 101681, 203362, 406724, 508405, 813448, 1016810, 2033620, 4067240, 4168921, 8337842, 16675684, 20844605, 33351368, 41689210, 83378420, 166756840]

約数ペア:

[(1, 166756840), (2, 83378420), (4, 41689210), (5, 33351368), (8, 20844605), (10, 16675684), (20, 8337842), (40, 4168921), (41, 4067240), (82, 2033620), (164, 1016810), (205, 813448), (328, 508405), (410, 406724), (820, 203362), (1640, 101681)]