51158000

素因数分解:

$2^4\times 5^3\times {\mathrm{25579}}^1$

素因数の和:25602

約数の個数: 40

約数和(自身を含む): 123704880

約数和(自身を除く): 72546880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 25579, 51158, 102316, 127895, 204632, 255790, 409264, 511580, 639475, 1023160, 1278950, 2046320, 2557900, 3197375, 5115800, 6394750, 10231600, 12789500, 25579000, 51158000]

約数ペア:

[(1, 51158000), (2, 25579000), (4, 12789500), (5, 10231600), (8, 6394750), (10, 5115800), (16, 3197375), (20, 2557900), (25, 2046320), (40, 1278950), (50, 1023160), (80, 639475), (100, 511580), (125, 409264), (200, 255790), (250, 204632), (400, 127895), (500, 102316), (1000, 51158), (2000, 25579)]