2019668720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{5813}}^1$

素因数の和:5970

約数の個数: 80

約数和(自身を含む): 4853341152

約数和(自身を除く): 2833672432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 101, 172, 202, 215, 344, 404, 430, 505, 688, 808, 860, 1010, 1616, 1720, 2020, 3440, 4040, 4343, 5813, 8080, 8686, 11626, 17372, 21715, 23252, 29065, 34744, 43430, 46504, 58130, 69488, 86860, 93008, 116260, 173720, 232520, 249959, 347440, 465040, 499918, 587113, 999836, 1174226, 1249795, 1999672, 2348452, 2499590, 2935565, 3999344, 4696904, 4999180, 5871130, 9393808, 9998360, 11742260, 19996720, 23484520, 25245859, 46969040, 50491718, 100983436, 126229295, 201966872, 252458590, 403933744, 504917180, 1009834360, 2019668720]

約数ペア:

[(1, 2019668720), (2, 1009834360), (4, 504917180), (5, 403933744), (8, 252458590), (10, 201966872), (16, 126229295), (20, 100983436), (40, 50491718), (43, 46969040), (80, 25245859), (86, 23484520), (101, 19996720), (172, 11742260), (202, 9998360), (215, 9393808), (344, 5871130), (404, 4999180), (430, 4696904), (505, 3999344), (688, 2935565), (808, 2499590), (860, 2348452), (1010, 1999672), (1616, 1249795), (1720, 1174226), (2020, 999836), (3440, 587113), (4040, 499918), (4343, 465040), (5813, 347440), (8080, 249959), (8686, 232520), (11626, 173720), (17372, 116260), (21715, 93008), (23252, 86860), (29065, 69488), (34744, 58130), (43430, 46504)]