2018715280

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{433}}^1\times {\mathrm{577}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 4759164144

約数和(自身を除く): 2740448864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 433, 505, 577, 808, 866, 1010, 1154, 1616, 1732, 2020, 2165, 2308, 2885, 3464, 4040, 4330, 4616, 5770, 6928, 8080, 8660, 9232, 11540, 17320, 23080, 34640, 43733, 46160, 58277, 87466, 116554, 174932, 218665, 233108, 249841, 291385, 349864, 437330, 466216, 499682, 582770, 699728, 874660, 932432, 999364, 1165540, 1249205, 1749320, 1998728, 2331080, 2498410, 3498640, 3997456, 4662160, 4996820, 9993640, 19987280, 25233941, 50467882, 100935764, 126169705, 201871528, 252339410, 403743056, 504678820, 1009357640, 2018715280]

約数ペア:

[(1, 2018715280), (2, 1009357640), (4, 504678820), (5, 403743056), (8, 252339410), (10, 201871528), (16, 126169705), (20, 100935764), (40, 50467882), (80, 25233941), (101, 19987280), (202, 9993640), (404, 4996820), (433, 4662160), (505, 3997456), (577, 3498640), (808, 2498410), (866, 2331080), (1010, 1998728), (1154, 1749320), (1616, 1249205), (1732, 1165540), (2020, 999364), (2165, 932432), (2308, 874660), (2885, 699728), (3464, 582770), (4040, 499682), (4330, 466216), (4616, 437330), (5770, 349864), (6928, 291385), (8080, 249841), (8660, 233108), (9232, 218665), (11540, 174932), (17320, 116554), (23080, 87466), (34640, 58277), (43733, 46160)]