66541360

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20287}}^1$

素因数の和:20341

約数の個数: 40

約数和(自身を含む): 158489856

約数和(自身を除く): 91948496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20287, 40574, 81148, 101435, 162296, 202870, 324592, 405740, 811480, 831767, 1622960, 1663534, 3327068, 4158835, 6654136, 8317670, 13308272, 16635340, 33270680, 66541360]

約数ペア:

[(1, 66541360), (2, 33270680), (4, 16635340), (5, 13308272), (8, 8317670), (10, 6654136), (16, 4158835), (20, 3327068), (40, 1663534), (41, 1622960), (80, 831767), (82, 811480), (164, 405740), (205, 324592), (328, 202870), (410, 162296), (656, 101435), (820, 81148), (1640, 40574), (3280, 20287)]