40892000

素因数分解:

$2^5\times 5^3\times {\mathrm{10223}}^1$

素因数の和:10248

約数の個数: 48

約数和(自身を含む): 100481472

約数和(自身を除く): 59589472

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, 10223, 20446, 40892, 51115, 81784, 102230, 163568, 204460, 255575, 327136, 408920, 511150, 817840, 1022300, 1277875, 1635680, 2044600, 2555750, 4089200, 5111500, 8178400, 10223000, 20446000, 40892000]

約数ペア:

[(1, 40892000), (2, 20446000), (4, 10223000), (5, 8178400), (8, 5111500), (10, 4089200), (16, 2555750), (20, 2044600), (25, 1635680), (32, 1277875), (40, 1022300), (50, 817840), (80, 511150), (100, 408920), (125, 327136), (160, 255575), (200, 204460), (250, 163568), (400, 102230), (500, 81784), (800, 51115), (1000, 40892), (2000, 20446), (4000, 10223)]