28746125

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 8993395

約数列:

[1, 5, 25, 41, 71, 79, 125, 205, 355, 395, 1025, 1775, 1975, 2911, 3239, 5125, 5609, 8875, 9875, 14555, 16195, 28045, 72775, 80975, 140225, 229969, 363875, 404875, 701125, 1149845, 5749225, 28746125]

約数ペア:

[(1, 28746125), (5, 5749225), (25, 1149845), (41, 701125), (71, 404875), (79, 363875), (125, 229969), (205, 140225), (355, 80975), (395, 72775), (1025, 28045), (1775, 16195), (1975, 14555), (2911, 9875), (3239, 8875), (5125, 5609)]