8132740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5281}}^1$

素因数の和:5308

約数の個数: 48

約数和(自身を含む): 21297024

約数和(自身を除く): 13164284

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5281, 10562, 21124, 26405, 36967, 52810, 58091, 73934, 105620, 116182, 147868, 184835, 232364, 290455, 369670, 406637, 580910, 739340, 813274, 1161820, 1626548, 2033185, 4066370, 8132740]

約数ペア:

[(1, 8132740), (2, 4066370), (4, 2033185), (5, 1626548), (7, 1161820), (10, 813274), (11, 739340), (14, 580910), (20, 406637), (22, 369670), (28, 290455), (35, 232364), (44, 184835), (55, 147868), (70, 116182), (77, 105620), (110, 73934), (140, 58091), (154, 52810), (220, 36967), (308, 26405), (385, 21124), (770, 10562), (1540, 5281)]