8495080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 21384000

約数和(自身を除く): 12888920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 449, 473, 860, 898, 946, 1720, 1796, 1892, 2245, 2365, 3592, 3784, 4490, 4730, 4939, 8980, 9460, 9878, 17960, 18920, 19307, 19756, 24695, 38614, 39512, 49390, 77228, 96535, 98780, 154456, 193070, 197560, 212377, 386140, 424754, 772280, 849508, 1061885, 1699016, 2123770, 4247540, 8495080]

約数ペア:

[(1, 8495080), (2, 4247540), (4, 2123770), (5, 1699016), (8, 1061885), (10, 849508), (11, 772280), (20, 424754), (22, 386140), (40, 212377), (43, 197560), (44, 193070), (55, 154456), (86, 98780), (88, 96535), (110, 77228), (172, 49390), (215, 39512), (220, 38614), (344, 24695), (430, 19756), (440, 19307), (449, 18920), (473, 17960), (860, 9878), (898, 9460), (946, 8980), (1720, 4939), (1796, 4730), (1892, 4490), (2245, 3784), (2365, 3592)]