80781232

素因数分解:

$2^4\times 7^1\times {\mathrm{721261}}^1$

素因数の和:721276

約数の個数: 20

約数和(自身を含む): 178872976

約数和(自身を除く): 98091744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 721261, 1442522, 2885044, 5048827, 5770088, 10097654, 11540176, 20195308, 40390616, 80781232]

約数ペア:

[(1, 80781232), (2, 40390616), (4, 20195308), (7, 11540176), (8, 10097654), (14, 5770088), (16, 5048827), (28, 2885044), (56, 1442522), (112, 721261)]