2547320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 5868720

約数和(自身を除く): 3321400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1481, 1720, 2962, 5924, 7405, 11848, 14810, 29620, 59240, 63683, 127366, 254732, 318415, 509464, 636830, 1273660, 2547320]

約数ペア:

[(1, 2547320), (2, 1273660), (4, 636830), (5, 509464), (8, 318415), (10, 254732), (20, 127366), (40, 63683), (43, 59240), (86, 29620), (172, 14810), (215, 11848), (344, 7405), (430, 5924), (860, 2962), (1481, 1720)]