2602000

素因数分解:

$2^4\times 5^3\times {\mathrm{1301}}^1$

素因数の和:1324

約数の個数: 40

約数和(自身を含む): 6296472

約数和(自身を除く): 3694472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 1301, 2000, 2602, 5204, 6505, 10408, 13010, 20816, 26020, 32525, 52040, 65050, 104080, 130100, 162625, 260200, 325250, 520400, 650500, 1301000, 2602000]

約数ペア:

[(1, 2602000), (2, 1301000), (4, 650500), (5, 520400), (8, 325250), (10, 260200), (16, 162625), (20, 130100), (25, 104080), (40, 65050), (50, 52040), (80, 32525), (100, 26020), (125, 20816), (200, 13010), (250, 10408), (400, 6505), (500, 5204), (1000, 2602), (1301, 2000)]