55690000

素因数分解:

$2^4\times 5^4\times {\mathrm{5569}}^1$

素因数の和:5597

約数の個数: 50

約数和(自身を含む): 134855270

約数和(自身を除く): 79165270

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, 5569, 10000, 11138, 22276, 27845, 44552, 55690, 89104, 111380, 139225, 222760, 278450, 445520, 556900, 696125, 1113800, 1392250, 2227600, 2784500, 3480625, 5569000, 6961250, 11138000, 13922500, 27845000, 55690000]

約数ペア:

[(1, 55690000), (2, 27845000), (4, 13922500), (5, 11138000), (8, 6961250), (10, 5569000), (16, 3480625), (20, 2784500), (25, 2227600), (40, 1392250), (50, 1113800), (80, 696125), (100, 556900), (125, 445520), (200, 278450), (250, 222760), (400, 139225), (500, 111380), (625, 89104), (1000, 55690), (1250, 44552), (2000, 27845), (2500, 22276), (5000, 11138), (5569, 10000)]