28745770

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40487}}^1$

素因数の和:40565

約数の個数: 16

約数和(自身を含む): 52472448

約数和(自身を除く): 23726678

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 40487, 80974, 202435, 404870, 2874577, 5749154, 14372885, 28745770]

約数ペア:

[(1, 28745770), (2, 14372885), (5, 5749154), (10, 2874577), (71, 404870), (142, 202435), (355, 80974), (710, 40487)]