12863440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6991}}^1$

素因数の和:7027

約数の個数: 40

約数和(自身を含む): 31212288

約数和(自身を除く): 18348848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 6991, 13982, 27964, 34955, 55928, 69910, 111856, 139820, 160793, 279640, 321586, 559280, 643172, 803965, 1286344, 1607930, 2572688, 3215860, 6431720, 12863440]

約数ペア:

[(1, 12863440), (2, 6431720), (4, 3215860), (5, 2572688), (8, 1607930), (10, 1286344), (16, 803965), (20, 643172), (23, 559280), (40, 321586), (46, 279640), (80, 160793), (92, 139820), (115, 111856), (184, 69910), (230, 55928), (368, 34955), (460, 27964), (920, 13982), (1840, 6991)]