22276720

素因数分解:

$2^4\times 5^1\times {\mathrm{278459}}^1$

素因数の和:278472

約数の個数: 20

約数和(自身を含む): 51793560

約数和(自身を除く): 29516840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278459, 556918, 1113836, 1392295, 2227672, 2784590, 4455344, 5569180, 11138360, 22276720]

約数ペア:

[(1, 22276720), (2, 11138360), (4, 5569180), (5, 4455344), (8, 2784590), (10, 2227672), (16, 1392295), (20, 1113836), (40, 556918), (80, 278459)]