28591580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1123}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 64202880

約数和(自身を除く): 35611300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1123, 1273, 1340, 2246, 2546, 4492, 5092, 5615, 6365, 11230, 12730, 21337, 22460, 25460, 42674, 75241, 85348, 106685, 150482, 213370, 300964, 376205, 426740, 752410, 1429579, 1504820, 2859158, 5718316, 7147895, 14295790, 28591580]

約数ペア:

[(1, 28591580), (2, 14295790), (4, 7147895), (5, 5718316), (10, 2859158), (19, 1504820), (20, 1429579), (38, 752410), (67, 426740), (76, 376205), (95, 300964), (134, 213370), (190, 150482), (268, 106685), (335, 85348), (380, 75241), (670, 42674), (1123, 25460), (1273, 22460), (1340, 21337), (2246, 12730), (2546, 11230), (4492, 6365), (5092, 5615)]