31030880

素因数分解:

$2^5\times 5^1\times {\mathrm{193943}}^1$

素因数の和:193958

約数の個数: 24

約数和(自身を含む): 73310832

約数和(自身を除く): 42279952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193943, 387886, 775772, 969715, 1551544, 1939430, 3103088, 3878860, 6206176, 7757720, 15515440, 31030880]

約数ペア:

[(1, 31030880), (2, 15515440), (4, 7757720), (5, 6206176), (8, 3878860), (10, 3103088), (16, 1939430), (20, 1551544), (32, 969715), (40, 775772), (80, 387886), (160, 193943)]