2601958000

素因数分解:

$2^4\times 5^3\times {\mathrm{1300979}}^1$

素因数の和:1301002

約数の個数: 40

約数和(自身を含む): 6291539280

約数和(自身を除く): 3689581280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 1300979, 2601958, 5203916, 6504895, 10407832, 13009790, 20815664, 26019580, 32524475, 52039160, 65048950, 104078320, 130097900, 162622375, 260195800, 325244750, 520391600, 650489500, 1300979000, 2601958000]

約数ペア:

[(1, 2601958000), (2, 1300979000), (4, 650489500), (5, 520391600), (8, 325244750), (10, 260195800), (16, 162622375), (20, 130097900), (25, 104078320), (40, 65048950), (50, 52039160), (80, 32524475), (100, 26019580), (125, 20815664), (200, 13009790), (250, 10407832), (400, 6504895), (500, 5203916), (1000, 2601958), (2000, 1300979)]