40158680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 94711680

約数和(自身を除く): 54553000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 521, 820, 940, 1042, 1640, 1880, 1927, 2084, 2605, 3854, 4168, 5210, 7708, 9635, 10420, 15416, 19270, 20840, 21361, 24487, 38540, 42722, 48974, 77080, 85444, 97948, 106805, 122435, 170888, 195896, 213610, 244870, 427220, 489740, 854440, 979480, 1003967, 2007934, 4015868, 5019835, 8031736, 10039670, 20079340, 40158680]

約数ペア:

[(1, 40158680), (2, 20079340), (4, 10039670), (5, 8031736), (8, 5019835), (10, 4015868), (20, 2007934), (40, 1003967), (41, 979480), (47, 854440), (82, 489740), (94, 427220), (164, 244870), (188, 213610), (205, 195896), (235, 170888), (328, 122435), (376, 106805), (410, 97948), (470, 85444), (521, 77080), (820, 48974), (940, 42722), (1042, 38540), (1640, 24487), (1880, 21361), (1927, 20840), (2084, 19270), (2605, 15416), (3854, 10420), (4168, 9635), (5210, 7708)]