55478000

素因数分解:

$2^4\times 5^3\times {\mathrm{27739}}^1$

素因数の和:27762

約数の個数: 40

約数和(自身を含む): 134150640

約数和(自身を除く): 78672640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 27739, 55478, 110956, 138695, 221912, 277390, 443824, 554780, 693475, 1109560, 1386950, 2219120, 2773900, 3467375, 5547800, 6934750, 11095600, 13869500, 27739000, 55478000]

約数ペア:

[(1, 55478000), (2, 27739000), (4, 13869500), (5, 11095600), (8, 6934750), (10, 5547800), (16, 3467375), (20, 2773900), (25, 2219120), (40, 1386950), (50, 1109560), (80, 693475), (100, 554780), (125, 443824), (200, 277390), (250, 221912), (400, 138695), (500, 110956), (1000, 55478), (2000, 27739)]