201680560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109609}}^1$

素因数の和:109645

約数の個数: 40

約数和(自身を含む): 489299040

約数和(自身を除く): 287618480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 109609, 219218, 438436, 548045, 876872, 1096090, 1753744, 2192180, 2521007, 4384360, 5042014, 8768720, 10084028, 12605035, 20168056, 25210070, 40336112, 50420140, 100840280, 201680560]

約数ペア:

[(1, 201680560), (2, 100840280), (4, 50420140), (5, 40336112), (8, 25210070), (10, 20168056), (16, 12605035), (20, 10084028), (23, 8768720), (40, 5042014), (46, 4384360), (80, 2521007), (92, 2192180), (115, 1753744), (184, 1096090), (230, 876872), (368, 548045), (460, 438436), (920, 219218), (1840, 109609)]