80086250

素因数分解:

$2^1\times 5^4\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:912

約数の個数: 40

約数和(自身を含む): 152201280

約数和(自身を除く): 72115030

約数列:

[1, 2, 5, 10, 25, 50, 79, 125, 158, 250, 395, 625, 790, 811, 1250, 1622, 1975, 3950, 4055, 8110, 9875, 19750, 20275, 40550, 49375, 64069, 98750, 101375, 128138, 202750, 320345, 506875, 640690, 1013750, 1601725, 3203450, 8008625, 16017250, 40043125, 80086250]

約数ペア:

[(1, 80086250), (2, 40043125), (5, 16017250), (10, 8008625), (25, 3203450), (50, 1601725), (79, 1013750), (125, 640690), (158, 506875), (250, 320345), (395, 202750), (625, 128138), (790, 101375), (811, 98750), (1250, 64069), (1622, 49375), (1975, 40550), (3950, 20275), (4055, 19750), (8110, 9875)]