11525720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6701}}^1$

素因数の和:6755

約数の個数: 32

約数和(自身を含む): 26539920

約数和(自身を除く): 15014200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 6701, 13402, 26804, 33505, 53608, 67010, 134020, 268040, 288143, 576286, 1152572, 1440715, 2305144, 2881430, 5762860, 11525720]

約数ペア:

[(1, 11525720), (2, 5762860), (4, 2881430), (5, 2305144), (8, 1440715), (10, 1152572), (20, 576286), (40, 288143), (43, 268040), (86, 134020), (172, 67010), (215, 53608), (344, 33505), (430, 26804), (860, 13402), (1720, 6701)]