1401978040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{745733}}^1$

素因数の和:745791

約数の個数: 32

約数和(自身を含む): 3221570880

約数和(自身を除く): 1819592840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 745733, 1491466, 2982932, 3728665, 5965864, 7457330, 14914660, 29829320, 35049451, 70098902, 140197804, 175247255, 280395608, 350494510, 700989020, 1401978040]

約数ペア:

[(1, 1401978040), (2, 700989020), (4, 350494510), (5, 280395608), (8, 175247255), (10, 140197804), (20, 70098902), (40, 35049451), (47, 29829320), (94, 14914660), (188, 7457330), (235, 5965864), (376, 3728665), (470, 2982932), (940, 1491466), (1880, 745733)]