8861875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1320

約数の個数: 20

約数和(自身を含む): 12089880

約数和(自身を除く): 3228005

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1289, 1375, 6445, 6875, 14179, 32225, 70895, 161125, 354475, 805625, 1772375, 8861875]

約数ペア:

[(1, 8861875), (5, 1772375), (11, 805625), (25, 354475), (55, 161125), (125, 70895), (275, 32225), (625, 14179), (1289, 6875), (1375, 6445)]