81058000

素因数分解:

$2^4\times 5^3\times {\mathrm{40529}}^1$

素因数の和:40552

約数の個数: 40

約数和(自身を含む): 196003080

約数和(自身を除く): 114945080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 40529, 81058, 162116, 202645, 324232, 405290, 648464, 810580, 1013225, 1621160, 2026450, 3242320, 4052900, 5066125, 8105800, 10132250, 16211600, 20264500, 40529000, 81058000]

約数ペア:

[(1, 81058000), (2, 40529000), (4, 20264500), (5, 16211600), (8, 10132250), (10, 8105800), (16, 5066125), (20, 4052900), (25, 3242320), (40, 2026450), (50, 1621160), (80, 1013225), (100, 810580), (125, 648464), (200, 405290), (250, 324232), (400, 202645), (500, 162116), (1000, 81058), (2000, 40529)]