89364040

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8693}}^1$

素因数の和:8961

約数の個数: 32

約数和(自身を含む): 201874680

約数和(自身を除く): 112510640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 8693, 10280, 17386, 34772, 43465, 69544, 86930, 173860, 347720, 2234101, 4468202, 8936404, 11170505, 17872808, 22341010, 44682020, 89364040]

約数ペア:

[(1, 89364040), (2, 44682020), (4, 22341010), (5, 17872808), (8, 11170505), (10, 8936404), (20, 4468202), (40, 2234101), (257, 347720), (514, 173860), (1028, 86930), (1285, 69544), (2056, 43465), (2570, 34772), (5140, 17386), (8693, 10280)]