2021029375

素因数分解:

$5^4\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:817

約数の個数: 40

約数和(自身を含む): 2607365376

約数和(自身を除く): 586336001

約数列:

[1, 5, 25, 47, 107, 125, 235, 535, 625, 643, 1175, 2675, 3215, 5029, 5875, 13375, 16075, 25145, 29375, 30221, 66875, 68801, 80375, 125725, 151105, 344005, 401875, 628625, 755525, 1720025, 3143125, 3233647, 3777625, 8600125, 16168235, 18888125, 43000625, 80841175, 404205875, 2021029375]

約数ペア:

[(1, 2021029375), (5, 404205875), (25, 80841175), (47, 43000625), (107, 18888125), (125, 16168235), (235, 8600125), (535, 3777625), (625, 3233647), (643, 3143125), (1175, 1720025), (2675, 755525), (3215, 628625), (5029, 401875), (5875, 344005), (13375, 151105), (16075, 125725), (25145, 80375), (29375, 68801), (30221, 66875)]