40156000

素因数分解:

$2^5\times 5^3\times {\mathrm{10039}}^1$

素因数の和:10064

約数の個数: 48

約数和(自身を含む): 98673120

約数和(自身を除く): 58517120

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, 10039, 20078, 40156, 50195, 80312, 100390, 160624, 200780, 250975, 321248, 401560, 501950, 803120, 1003900, 1254875, 1606240, 2007800, 2509750, 4015600, 5019500, 8031200, 10039000, 20078000, 40156000]

約数ペア:

[(1, 40156000), (2, 20078000), (4, 10039000), (5, 8031200), (8, 5019500), (10, 4015600), (16, 2509750), (20, 2007800), (25, 1606240), (32, 1254875), (40, 1003900), (50, 803120), (80, 501950), (100, 401560), (125, 321248), (160, 250975), (200, 200780), (250, 160624), (400, 100390), (500, 80312), (800, 50195), (1000, 40156), (2000, 20078), (4000, 10039)]