205123960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1823}}^1$

素因数の和:1960

約数の個数: 64

約数和(自身を含む): 482630400

約数和(自身を除く): 277506440

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 194, 232, 290, 388, 485, 580, 776, 970, 1160, 1823, 1940, 2813, 3646, 3880, 5626, 7292, 9115, 11252, 14065, 14584, 18230, 22504, 28130, 36460, 52867, 56260, 72920, 105734, 112520, 176831, 211468, 264335, 353662, 422936, 528670, 707324, 884155, 1057340, 1414648, 1768310, 2114680, 3536620, 5128099, 7073240, 10256198, 20512396, 25640495, 41024792, 51280990, 102561980, 205123960]

約数ペア:

[(1, 205123960), (2, 102561980), (4, 51280990), (5, 41024792), (8, 25640495), (10, 20512396), (20, 10256198), (29, 7073240), (40, 5128099), (58, 3536620), (97, 2114680), (116, 1768310), (145, 1414648), (194, 1057340), (232, 884155), (290, 707324), (388, 528670), (485, 422936), (580, 353662), (776, 264335), (970, 211468), (1160, 176831), (1823, 112520), (1940, 105734), (2813, 72920), (3646, 56260), (3880, 52867), (5626, 36460), (7292, 28130), (9115, 22504), (11252, 18230), (14065, 14584)]