15900280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{36137}}^1$

素因数の和:36159

約数の個数: 32

約数和(自身を含む): 39029040

約数和(自身を除く): 23128760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 36137, 72274, 144548, 180685, 289096, 361370, 397507, 722740, 795014, 1445480, 1590028, 1987535, 3180056, 3975070, 7950140, 15900280]

約数ペア:

[(1, 15900280), (2, 7950140), (4, 3975070), (5, 3180056), (8, 1987535), (10, 1590028), (11, 1445480), (20, 795014), (22, 722740), (40, 397507), (44, 361370), (55, 289096), (88, 180685), (110, 144548), (220, 72274), (440, 36137)]