53121880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{27103}}^1$

素因数の和:27128

約数の個数: 48

約数和(自身を含む): 139043520

約数和(自身を除く): 85921640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 27103, 54206, 108412, 135515, 189721, 216824, 271030, 379442, 542060, 758884, 948605, 1084120, 1328047, 1517768, 1897210, 2656094, 3794420, 5312188, 6640235, 7588840, 10624376, 13280470, 26560940, 53121880]

約数ペア:

[(1, 53121880), (2, 26560940), (4, 13280470), (5, 10624376), (7, 7588840), (8, 6640235), (10, 5312188), (14, 3794420), (20, 2656094), (28, 1897210), (35, 1517768), (40, 1328047), (49, 1084120), (56, 948605), (70, 758884), (98, 542060), (140, 379442), (196, 271030), (245, 216824), (280, 189721), (392, 135515), (490, 108412), (980, 54206), (1960, 27103)]