80821280

素因数分解:

$2^5\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1091}}^1$

素因数の和:1569

約数の個数: 48

約数和(自身を含む): 191528064

約数和(自身を除く): 110706784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 463, 926, 1091, 1852, 2182, 2315, 3704, 4364, 4630, 5455, 7408, 8728, 9260, 10910, 14816, 17456, 18520, 21820, 34912, 37040, 43640, 74080, 87280, 174560, 505133, 1010266, 2020532, 2525665, 4041064, 5051330, 8082128, 10102660, 16164256, 20205320, 40410640, 80821280]

約数ペア:

[(1, 80821280), (2, 40410640), (4, 20205320), (5, 16164256), (8, 10102660), (10, 8082128), (16, 5051330), (20, 4041064), (32, 2525665), (40, 2020532), (80, 1010266), (160, 505133), (463, 174560), (926, 87280), (1091, 74080), (1852, 43640), (2182, 37040), (2315, 34912), (3704, 21820), (4364, 18520), (4630, 17456), (5455, 14816), (7408, 10910), (8728, 9260)]