7769375

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:452

約数の個数: 20

約数和(自身を含む): 10046784

約数和(自身を除く): 2277409

約数列:

[1, 5, 25, 31, 125, 155, 401, 625, 775, 2005, 3875, 10025, 12431, 19375, 50125, 62155, 250625, 310775, 1553875, 7769375]

約数ペア:

[(1, 7769375), (5, 1553875), (25, 310775), (31, 250625), (125, 62155), (155, 50125), (401, 19375), (625, 12431), (775, 10025), (2005, 3875)]