13621120

素因数分解:

$2^7\times 5^1\times {\mathrm{21283}}^1$

素因数の和:21302

約数の個数: 32

約数和(自身を含む): 32564520

約数和(自身を除く): 18943400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21283, 42566, 85132, 106415, 170264, 212830, 340528, 425660, 681056, 851320, 1362112, 1702640, 2724224, 3405280, 6810560, 13621120]

約数ペア:

[(1, 13621120), (2, 6810560), (4, 3405280), (5, 2724224), (8, 1702640), (10, 1362112), (16, 851320), (20, 681056), (32, 425660), (40, 340528), (64, 212830), (80, 170264), (128, 106415), (160, 85132), (320, 42566), (640, 21283)]