80078770

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{112787}}^1$

素因数の和:112865

約数の個数: 16

約数和(自身を含む): 146173248

約数和(自身を除く): 66094478

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 112787, 225574, 563935, 1127870, 8007877, 16015754, 40039385, 80078770]

約数ペア:

[(1, 80078770), (2, 40039385), (5, 16015754), (10, 8007877), (71, 1127870), (142, 563935), (355, 225574), (710, 112787)]