67245740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{82007}}^1$

素因数の和:82057

約数の個数: 24

約数和(自身を含む): 144662112

約数和(自身を除く): 77416372

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 82007, 164014, 328028, 410035, 820070, 1640140, 3362287, 6724574, 13449148, 16811435, 33622870, 67245740]

約数ペア:

[(1, 67245740), (2, 33622870), (4, 16811435), (5, 13449148), (10, 6724574), (20, 3362287), (41, 1640140), (82, 820070), (164, 410035), (205, 328028), (410, 164014), (820, 82007)]