20210786560

素因数分解:

$2^8\times 5^1\times {\mathrm{15789677}}^1$

素因数の和:15789698

約数の個数: 36

約数和(自身を含む): 48411152748

約数和(自身を除く): 28200366188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15789677, 31579354, 63158708, 78948385, 126317416, 157896770, 252634832, 315793540, 505269664, 631587080, 1010539328, 1263174160, 2021078656, 2526348320, 4042157312, 5052696640, 10105393280, 20210786560]

約数ペア:

[(1, 20210786560), (2, 10105393280), (4, 5052696640), (5, 4042157312), (8, 2526348320), (10, 2021078656), (16, 1263174160), (20, 1010539328), (32, 631587080), (40, 505269664), (64, 315793540), (80, 252634832), (128, 157896770), (160, 126317416), (256, 78948385), (320, 63158708), (640, 31579354), (1280, 15789677)]