80775856

素因数分解:

$2^4\times 7^1\times {\mathrm{721213}}^1$

素因数の和:721228

約数の個数: 20

約数和(自身を含む): 178861072

約数和(自身を除く): 98085216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 721213, 1442426, 2884852, 5048491, 5769704, 10096982, 11539408, 20193964, 40387928, 80775856]

約数ペア:

[(1, 80775856), (2, 40387928), (4, 20193964), (7, 11539408), (8, 10096982), (14, 5769704), (16, 5048491), (28, 2884852), (56, 1442426), (112, 721213)]