8542780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22481}}^1$

素因数の和:22509

約数の個数: 24

約数和(自身を含む): 18884880

約数和(自身を除く): 10342100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 22481, 44962, 89924, 112405, 224810, 427139, 449620, 854278, 1708556, 2135695, 4271390, 8542780]

約数ペア:

[(1, 8542780), (2, 4271390), (4, 2135695), (5, 1708556), (10, 854278), (19, 449620), (20, 427139), (38, 224810), (76, 112405), (95, 89924), (190, 44962), (380, 22481)]