25222000

素因数分解:

$2^4\times 5^3\times {\mathrm{12611}}^1$

素因数の和:12634

約数の個数: 40

約数和(自身を含む): 60991632

約数和(自身を除く): 35769632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 12611, 25222, 50444, 63055, 100888, 126110, 201776, 252220, 315275, 504440, 630550, 1008880, 1261100, 1576375, 2522200, 3152750, 5044400, 6305500, 12611000, 25222000]

約数ペア:

[(1, 25222000), (2, 12611000), (4, 6305500), (5, 5044400), (8, 3152750), (10, 2522200), (16, 1576375), (20, 1261100), (25, 1008880), (40, 630550), (50, 504440), (80, 315275), (100, 252220), (125, 201776), (200, 126110), (250, 100888), (400, 63055), (500, 50444), (1000, 25222), (2000, 12611)]