8108440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 19699200

約数和(自身を除く): 11590760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 227, 235, 376, 380, 454, 470, 760, 893, 908, 940, 1135, 1786, 1816, 1880, 2270, 3572, 4313, 4465, 4540, 7144, 8626, 8930, 9080, 10669, 17252, 17860, 21338, 21565, 34504, 35720, 42676, 43130, 53345, 85352, 86260, 106690, 172520, 202711, 213380, 405422, 426760, 810844, 1013555, 1621688, 2027110, 4054220, 8108440]

約数ペア:

[(1, 8108440), (2, 4054220), (4, 2027110), (5, 1621688), (8, 1013555), (10, 810844), (19, 426760), (20, 405422), (38, 213380), (40, 202711), (47, 172520), (76, 106690), (94, 86260), (95, 85352), (152, 53345), (188, 43130), (190, 42676), (227, 35720), (235, 34504), (376, 21565), (380, 21338), (454, 17860), (470, 17252), (760, 10669), (893, 9080), (908, 8930), (940, 8626), (1135, 7144), (1786, 4540), (1816, 4465), (1880, 4313), (2270, 3572)]