51766540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 127954512

約数和(自身を除く): 76187972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 523, 707, 980, 1010, 1046, 1414, 2020, 2092, 2615, 2828, 3535, 3661, 4949, 5230, 7070, 7322, 9898, 10460, 14140, 14644, 18305, 19796, 24745, 25627, 36610, 49490, 51254, 52823, 73220, 98980, 102508, 105646, 128135, 211292, 256270, 264115, 369761, 512540, 528230, 739522, 1056460, 1479044, 1848805, 2588327, 3697610, 5176654, 7395220, 10353308, 12941635, 25883270, 51766540]

約数ペア:

[(1, 51766540), (2, 25883270), (4, 12941635), (5, 10353308), (7, 7395220), (10, 5176654), (14, 3697610), (20, 2588327), (28, 1848805), (35, 1479044), (49, 1056460), (70, 739522), (98, 528230), (101, 512540), (140, 369761), (196, 264115), (202, 256270), (245, 211292), (404, 128135), (490, 105646), (505, 102508), (523, 98980), (707, 73220), (980, 52823), (1010, 51254), (1046, 49490), (1414, 36610), (2020, 25627), (2092, 24745), (2615, 19796), (2828, 18305), (3535, 14644), (3661, 14140), (4949, 10460), (5230, 9898), (7070, 7322)]