28025210

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{31489}}^1$

素因数の和:31585

約数の個数: 16

約数和(自身を含む): 51013800

約数和(自身を除く): 22988590

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 31489, 62978, 157445, 314890, 2802521, 5605042, 14012605, 28025210]

約数ペア:

[(1, 28025210), (2, 14012605), (5, 5605042), (10, 2802521), (89, 314890), (178, 157445), (445, 62978), (890, 31489)]