206202320

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28961}}^1$

素因数の和:29063

約数の個数: 40

約数和(自身を含む): 484823880

約数和(自身を除く): 278621560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 28961, 57922, 115844, 144805, 231688, 289610, 463376, 579220, 1158440, 2316880, 2577529, 5155058, 10310116, 12887645, 20620232, 25775290, 41240464, 51550580, 103101160, 206202320]

約数ペア:

[(1, 206202320), (2, 103101160), (4, 51550580), (5, 41240464), (8, 25775290), (10, 20620232), (16, 12887645), (20, 10310116), (40, 5155058), (80, 2577529), (89, 2316880), (178, 1158440), (356, 579220), (445, 463376), (712, 289610), (890, 231688), (1424, 144805), (1780, 115844), (3560, 57922), (7120, 28961)]