53887720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15137}}^1$

素因数の和:15237

約数の個数: 32

約数和(自身を含む): 122617800

約数和(自身を除く): 68730080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15137, 30274, 60548, 75685, 121096, 151370, 302740, 605480, 1347193, 2694386, 5388772, 6735965, 10777544, 13471930, 26943860, 53887720]

約数ペア:

[(1, 53887720), (2, 26943860), (4, 13471930), (5, 10777544), (8, 6735965), (10, 5388772), (20, 2694386), (40, 1347193), (89, 605480), (178, 302740), (356, 151370), (445, 121096), (712, 75685), (890, 60548), (1780, 30274), (3560, 15137)]