80345000

素因数分解:

$2^3\times 5^4\times {\mathrm{16069}}^1$

素因数の和:16095

約数の個数: 40

約数和(自身を含む): 188260050

約数和(自身を除く): 107915050

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 16069, 32138, 64276, 80345, 128552, 160690, 321380, 401725, 642760, 803450, 1606900, 2008625, 3213800, 4017250, 8034500, 10043125, 16069000, 20086250, 40172500, 80345000]

約数ペア:

[(1, 80345000), (2, 40172500), (4, 20086250), (5, 16069000), (8, 10043125), (10, 8034500), (20, 4017250), (25, 3213800), (40, 2008625), (50, 1606900), (100, 803450), (125, 642760), (200, 401725), (250, 321380), (500, 160690), (625, 128552), (1000, 80345), (1250, 64276), (2500, 32138), (5000, 16069)]