6485000

素因数分解:

$2^3\times 5^4\times {\mathrm{1297}}^1$

素因数の和:1323

約数の個数: 40

約数和(自身を含む): 15206070

約数和(自身を除く): 8721070

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1297, 2500, 2594, 5000, 5188, 6485, 10376, 12970, 25940, 32425, 51880, 64850, 129700, 162125, 259400, 324250, 648500, 810625, 1297000, 1621250, 3242500, 6485000]

約数ペア:

[(1, 6485000), (2, 3242500), (4, 1621250), (5, 1297000), (8, 810625), (10, 648500), (20, 324250), (25, 259400), (40, 162125), (50, 129700), (100, 64850), (125, 51880), (200, 32425), (250, 25940), (500, 12970), (625, 10376), (1000, 6485), (1250, 5188), (1297, 5000), (2500, 2594)]