1725625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{251}}^1$

素因数の和:282

約数の個数: 20

約数和(自身を含む): 2361744

約数和(自身を除く): 636119

約数列:

[1, 5, 11, 25, 55, 125, 251, 275, 625, 1255, 1375, 2761, 6275, 6875, 13805, 31375, 69025, 156875, 345125, 1725625]

約数ペア:

[(1, 1725625), (5, 345125), (11, 156875), (25, 69025), (55, 31375), (125, 13805), (251, 6875), (275, 6275), (625, 2761), (1255, 1375)]