16882640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 25971760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 383, 464, 551, 580, 760, 766, 1102, 1160, 1520, 1532, 1915, 2204, 2320, 2755, 3064, 3830, 4408, 5510, 6128, 7277, 7660, 8816, 11020, 11107, 14554, 15320, 22040, 22214, 29108, 30640, 36385, 44080, 44428, 55535, 58216, 72770, 88856, 111070, 116432, 145540, 177712, 211033, 222140, 291080, 422066, 444280, 582160, 844132, 888560, 1055165, 1688264, 2110330, 3376528, 4220660, 8441320, 16882640]

約数ペア:

[(1, 16882640), (2, 8441320), (4, 4220660), (5, 3376528), (8, 2110330), (10, 1688264), (16, 1055165), (19, 888560), (20, 844132), (29, 582160), (38, 444280), (40, 422066), (58, 291080), (76, 222140), (80, 211033), (95, 177712), (116, 145540), (145, 116432), (152, 111070), (190, 88856), (232, 72770), (290, 58216), (304, 55535), (380, 44428), (383, 44080), (464, 36385), (551, 30640), (580, 29108), (760, 22214), (766, 22040), (1102, 15320), (1160, 14554), (1520, 11107), (1532, 11020), (1915, 8816), (2204, 7660), (2320, 7277), (2755, 6128), (3064, 5510), (3830, 4408)]