8441320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 20736000

約数和(自身を除く): 12294680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 383, 551, 580, 760, 766, 1102, 1160, 1532, 1915, 2204, 2755, 3064, 3830, 4408, 5510, 7277, 7660, 11020, 11107, 14554, 15320, 22040, 22214, 29108, 36385, 44428, 55535, 58216, 72770, 88856, 111070, 145540, 211033, 222140, 291080, 422066, 444280, 844132, 1055165, 1688264, 2110330, 4220660, 8441320]

約数ペア:

[(1, 8441320), (2, 4220660), (4, 2110330), (5, 1688264), (8, 1055165), (10, 844132), (19, 444280), (20, 422066), (29, 291080), (38, 222140), (40, 211033), (58, 145540), (76, 111070), (95, 88856), (116, 72770), (145, 58216), (152, 55535), (190, 44428), (232, 36385), (290, 29108), (380, 22214), (383, 22040), (551, 15320), (580, 14554), (760, 11107), (766, 11020), (1102, 7660), (1160, 7277), (1532, 5510), (1915, 4408), (2204, 3830), (2755, 3064)]