28193080

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1117}}^1$

素因数の和:1759

約数の個数: 32

約数和(自身を含む): 63591840

約数和(自身を除く): 35398760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1117, 1262, 2234, 2524, 3155, 4468, 5048, 5585, 6310, 8936, 11170, 12620, 22340, 25240, 44680, 704827, 1409654, 2819308, 3524135, 5638616, 7048270, 14096540, 28193080]

約数ペア:

[(1, 28193080), (2, 14096540), (4, 7048270), (5, 5638616), (8, 3524135), (10, 2819308), (20, 1409654), (40, 704827), (631, 44680), (1117, 25240), (1262, 22340), (2234, 12620), (2524, 11170), (3155, 8936), (4468, 6310), (5048, 5585)]