1025692000

素因数分解:

$2^5\times 5^3\times {\mathrm{256423}}^1$

素因数の和:256448

約数の個数: 48

約数和(自身を含む): 2520135072

約数和(自身を除く): 1494443072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 256423, 512846, 1025692, 1282115, 2051384, 2564230, 4102768, 5128460, 6410575, 8205536, 10256920, 12821150, 20513840, 25642300, 32052875, 41027680, 51284600, 64105750, 102569200, 128211500, 205138400, 256423000, 512846000, 1025692000]

約数ペア:

[(1, 1025692000), (2, 512846000), (4, 256423000), (5, 205138400), (8, 128211500), (10, 102569200), (16, 64105750), (20, 51284600), (25, 41027680), (32, 32052875), (40, 25642300), (50, 20513840), (80, 12821150), (100, 10256920), (125, 8205536), (160, 6410575), (200, 5128460), (250, 4102768), (400, 2564230), (500, 2051384), (800, 1282115), (1000, 1025692), (2000, 512846), (4000, 256423)]