80603740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6469}}^1$

素因数の和:6574

約数の個数: 48

約数和(自身を含む): 195652800

約数和(自身を除く): 115049060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 6469, 12460, 12938, 25876, 32345, 45283, 64690, 90566, 129380, 181132, 226415, 452830, 575741, 905660, 1151482, 2302964, 2878705, 4030187, 5757410, 8060374, 11514820, 16120748, 20150935, 40301870, 80603740]

約数ペア:

[(1, 80603740), (2, 40301870), (4, 20150935), (5, 16120748), (7, 11514820), (10, 8060374), (14, 5757410), (20, 4030187), (28, 2878705), (35, 2302964), (70, 1151482), (89, 905660), (140, 575741), (178, 452830), (356, 226415), (445, 181132), (623, 129380), (890, 90566), (1246, 64690), (1780, 45283), (2492, 32345), (3115, 25876), (6230, 12938), (6469, 12460)]