25582000

素因数分解:

$2^4\times 5^3\times {\mathrm{12791}}^1$

素因数の和:12814

約数の個数: 40

約数和(自身を含む): 61862112

約数和(自身を除く): 36280112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 12791, 25582, 51164, 63955, 102328, 127910, 204656, 255820, 319775, 511640, 639550, 1023280, 1279100, 1598875, 2558200, 3197750, 5116400, 6395500, 12791000, 25582000]

約数ペア:

[(1, 25582000), (2, 12791000), (4, 6395500), (5, 5116400), (8, 3197750), (10, 2558200), (16, 1598875), (20, 1279100), (25, 1023280), (40, 639550), (50, 511640), (80, 319775), (100, 255820), (125, 204656), (200, 127910), (250, 102328), (400, 63955), (500, 51164), (1000, 25582), (2000, 12791)]