54490000

素因数分解:

$2^4\times 5^4\times {\mathrm{5449}}^1$

素因数の和:5477

約数の個数: 50

約数和(自身を含む): 131949950

約数和(自身を除く): 77459950

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 5449, 10000, 10898, 21796, 27245, 43592, 54490, 87184, 108980, 136225, 217960, 272450, 435920, 544900, 681125, 1089800, 1362250, 2179600, 2724500, 3405625, 5449000, 6811250, 10898000, 13622500, 27245000, 54490000]

約数ペア:

[(1, 54490000), (2, 27245000), (4, 13622500), (5, 10898000), (8, 6811250), (10, 5449000), (16, 3405625), (20, 2724500), (25, 2179600), (40, 1362250), (50, 1089800), (80, 681125), (100, 544900), (125, 435920), (200, 272450), (250, 217960), (400, 136225), (500, 108980), (625, 87184), (1000, 54490), (1250, 43592), (2000, 27245), (2500, 21796), (5000, 10898), (5449, 10000)]