6505000

素因数分解:

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

素因数の和:1327

約数の個数: 40

約数和(自身を含む): 15252930

約数和(自身を除く): 8747930

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1301, 2500, 2602, 5000, 5204, 6505, 10408, 13010, 26020, 32525, 52040, 65050, 130100, 162625, 260200, 325250, 650500, 813125, 1301000, 1626250, 3252500, 6505000]

約数ペア:

[(1, 6505000), (2, 3252500), (4, 1626250), (5, 1301000), (8, 813125), (10, 650500), (20, 325250), (25, 260200), (40, 162625), (50, 130100), (100, 65050), (125, 52040), (200, 32525), (250, 26020), (500, 13010), (625, 10408), (1000, 6505), (1250, 5204), (1301, 5000), (2500, 2602)]