8640827425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{1999}}^1\times {\mathrm{4021}}^1$

素因数の和:6073

約数の個数: 24

約数和(自身を含む): 10972016000

約数和(自身を除く): 2331188575

約数列:

[1, 5, 25, 43, 215, 1075, 1999, 4021, 9995, 20105, 49975, 85957, 100525, 172903, 429785, 864515, 2148925, 4322575, 8037979, 40189895, 200949475, 345633097, 1728165485, 8640827425]

約数ペア:

[(1, 8640827425), (5, 1728165485), (25, 345633097), (43, 200949475), (215, 40189895), (1075, 8037979), (1999, 4322575), (4021, 2148925), (9995, 864515), (20105, 429785), (49975, 172903), (85957, 100525)]