7707320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4481}}^1$

素因数の和:4535

約数の個数: 32

約数和(自身を含む): 17748720

約数和(自身を除く): 10041400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4481, 8962, 17924, 22405, 35848, 44810, 89620, 179240, 192683, 385366, 770732, 963415, 1541464, 1926830, 3853660, 7707320]

約数ペア:

[(1, 7707320), (2, 3853660), (4, 1926830), (5, 1541464), (8, 963415), (10, 770732), (20, 385366), (40, 192683), (43, 179240), (86, 89620), (172, 44810), (215, 35848), (344, 22405), (430, 17924), (860, 8962), (1720, 4481)]