81230825090

素因数分解:

$2^1\times 5^1\times {\mathrm{127579}}^1\times {\mathrm{63671}}^1$

素因数の和:191257

約数の個数: 16

約数和(自身を含む): 146218927680

約数和(自身を除く): 64988102590

約数列:

[1, 2, 5, 10, 63671, 127342, 127579, 255158, 318355, 636710, 637895, 1275790, 8123082509, 16246165018, 40615412545, 81230825090]

約数ペア:

[(1, 81230825090), (2, 40615412545), (5, 16246165018), (10, 8123082509), (63671, 1275790), (127342, 637895), (127579, 636710), (255158, 318355)]