64082800

素因数分解:

$2^4\times 5^2\times {\mathrm{160207}}^1$

素因数の和:160225

約数の個数: 30

約数和(自身を含む): 153959888

約数和(自身を除く): 89877088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 160207, 320414, 640828, 801035, 1281656, 1602070, 2563312, 3204140, 4005175, 6408280, 8010350, 12816560, 16020700, 32041400, 64082800]

約数ペア:

[(1, 64082800), (2, 32041400), (4, 16020700), (5, 12816560), (8, 8010350), (10, 6408280), (16, 4005175), (20, 3204140), (25, 2563312), (40, 1602070), (50, 1281656), (80, 801035), (100, 640828), (200, 320414), (400, 160207)]