79987000

素因数分解:

$2^3\times 5^3\times {\mathrm{79987}}^1$

素因数の和:80008

約数の個数: 32

約数和(自身を含む): 187171920

約数和(自身を除く): 107184920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 79987, 159974, 319948, 399935, 639896, 799870, 1599740, 1999675, 3199480, 3999350, 7998700, 9998375, 15997400, 19996750, 39993500, 79987000]

約数ペア:

[(1, 79987000), (2, 39993500), (4, 19996750), (5, 15997400), (8, 9998375), (10, 7998700), (20, 3999350), (25, 3199480), (40, 1999675), (50, 1599740), (100, 799870), (125, 639896), (200, 399935), (250, 319948), (500, 159974), (1000, 79987)]