2040396940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1\times {\mathrm{3881}}^1$

素因数の和:4258

約数の個数: 48

約数和(自身を含む): 4346100864

約数和(自身を除く): 2305703924

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 271, 388, 485, 542, 970, 1084, 1355, 1940, 2710, 3881, 5420, 7762, 15524, 19405, 26287, 38810, 52574, 77620, 105148, 131435, 262870, 376457, 525740, 752914, 1051751, 1505828, 1882285, 2103502, 3764570, 4207004, 5258755, 7529140, 10517510, 21035020, 102019847, 204039694, 408079388, 510099235, 1020198470, 2040396940]

約数ペア:

[(1, 2040396940), (2, 1020198470), (4, 510099235), (5, 408079388), (10, 204039694), (20, 102019847), (97, 21035020), (194, 10517510), (271, 7529140), (388, 5258755), (485, 4207004), (542, 3764570), (970, 2103502), (1084, 1882285), (1355, 1505828), (1940, 1051751), (2710, 752914), (3881, 525740), (5420, 376457), (7762, 262870), (15524, 131435), (19405, 105148), (26287, 77620), (38810, 52574)]