45004000

素因数分解:

$2^5\times 5^3\times {\mathrm{11251}}^1$

素因数の和:11276

約数の個数: 48

約数和(自身を含む): 110584656

約数和(自身を除く): 65580656

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, 11251, 22502, 45004, 56255, 90008, 112510, 180016, 225020, 281275, 360032, 450040, 562550, 900080, 1125100, 1406375, 1800160, 2250200, 2812750, 4500400, 5625500, 9000800, 11251000, 22502000, 45004000]

約数ペア:

[(1, 45004000), (2, 22502000), (4, 11251000), (5, 9000800), (8, 5625500), (10, 4500400), (16, 2812750), (20, 2250200), (25, 1800160), (32, 1406375), (40, 1125100), (50, 900080), (80, 562550), (100, 450040), (125, 360032), (160, 281275), (200, 225020), (250, 180016), (400, 112510), (500, 90008), (800, 56255), (1000, 45004), (2000, 22502), (4000, 11251)]