8215720

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{701}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 18574920

約数和(自身を除く): 10359200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 701, 1172, 1402, 1465, 2344, 2804, 2930, 3505, 5608, 5860, 7010, 11720, 14020, 28040, 205393, 410786, 821572, 1026965, 1643144, 2053930, 4107860, 8215720]

約数ペア:

[(1, 8215720), (2, 4107860), (4, 2053930), (5, 1643144), (8, 1026965), (10, 821572), (20, 410786), (40, 205393), (293, 28040), (586, 14020), (701, 11720), (1172, 7010), (1402, 5860), (1465, 5608), (2344, 3505), (2804, 2930)]