79740625

素因数分解:

$5^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 112492800

約数和(自身を除く): 32752175

約数列:

[1, 5, 17, 19, 25, 79, 85, 95, 125, 323, 395, 425, 475, 625, 1343, 1501, 1615, 1975, 2125, 2375, 3125, 6715, 7505, 8075, 9875, 10625, 11875, 25517, 33575, 37525, 40375, 49375, 53125, 59375, 127585, 167875, 187625, 201875, 246875, 637925, 839375, 938125, 1009375, 3189625, 4196875, 4690625, 15948125, 79740625]

約数ペア:

[(1, 79740625), (5, 15948125), (17, 4690625), (19, 4196875), (25, 3189625), (79, 1009375), (85, 938125), (95, 839375), (125, 637925), (323, 246875), (395, 201875), (425, 187625), (475, 167875), (625, 127585), (1343, 59375), (1501, 53125), (1615, 49375), (1975, 40375), (2125, 37525), (2375, 33575), (3125, 25517), (6715, 11875), (7505, 10625), (8075, 9875)]