79959560

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2269}}^1$

素因数の和:3161

約数の個数: 32

約数和(自身を含む): 180192600

約数和(自身を除く): 100233040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 2269, 3524, 4405, 4538, 7048, 8810, 9076, 11345, 17620, 18152, 22690, 35240, 45380, 90760, 1998989, 3997978, 7995956, 9994945, 15991912, 19989890, 39979780, 79959560]

約数ペア:

[(1, 79959560), (2, 39979780), (4, 19989890), (5, 15991912), (8, 9994945), (10, 7995956), (20, 3997978), (40, 1998989), (881, 90760), (1762, 45380), (2269, 35240), (3524, 22690), (4405, 18152), (4538, 17620), (7048, 11345), (8810, 9076)]