81306910

素因数分解:

$2^1\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{5381}}^1$

素因数の和:6899

約数の個数: 16

約数和(自身を含む): 146476512

約数和(自身を除く): 65169602

約数列:

[1, 2, 5, 10, 1511, 3022, 5381, 7555, 10762, 15110, 26905, 53810, 8130691, 16261382, 40653455, 81306910]

約数ペア:

[(1, 81306910), (2, 40653455), (5, 16261382), (10, 8130691), (1511, 53810), (3022, 26905), (5381, 15110), (7555, 10762)]