11138125

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:342

約数の個数: 20

約数和(自身を含む): 14170464

約数和(自身を除く): 3032339

約数列:

[1, 5, 25, 71, 125, 251, 355, 625, 1255, 1775, 6275, 8875, 17821, 31375, 44375, 89105, 156875, 445525, 2227625, 11138125]

約数ペア:

[(1, 11138125), (5, 2227625), (25, 445525), (71, 156875), (125, 89105), (251, 44375), (355, 31375), (625, 17821), (1255, 8875), (1775, 6275)]