25138000

素因数分解:

$2^4\times 5^3\times {\mathrm{12569}}^1$

素因数の和:12592

約数の個数: 40

約数和(自身を含む): 60788520

約数和(自身を除く): 35650520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 12569, 25138, 50276, 62845, 100552, 125690, 201104, 251380, 314225, 502760, 628450, 1005520, 1256900, 1571125, 2513800, 3142250, 5027600, 6284500, 12569000, 25138000]

約数ペア:

[(1, 25138000), (2, 12569000), (4, 6284500), (5, 5027600), (8, 3142250), (10, 2513800), (16, 1571125), (20, 1256900), (25, 1005520), (40, 628450), (50, 502760), (80, 314225), (100, 251380), (125, 201104), (200, 125690), (250, 100552), (400, 62845), (500, 50276), (1000, 25138), (2000, 12569)]