26816980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{70571}}^1$

素因数の和:70599

約数の個数: 24

約数和(自身を含む): 59280480

約数和(自身を除く): 32463500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 70571, 141142, 282284, 352855, 705710, 1340849, 1411420, 2681698, 5363396, 6704245, 13408490, 26816980]

約数ペア:

[(1, 26816980), (2, 13408490), (4, 6704245), (5, 5363396), (10, 2681698), (19, 1411420), (20, 1340849), (38, 705710), (76, 352855), (95, 282284), (190, 141142), (380, 70571)]