80800256

素因数分解:

$2^9\times {\mathrm{157813}}^1$

素因数の和:157831

約数の個数: 20

約数和(自身を含む): 161443722

約数和(自身を除く): 80643466

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 157813, 315626, 631252, 1262504, 2525008, 5050016, 10100032, 20200064, 40400128, 80800256]

約数ペア:

[(1, 80800256), (2, 40400128), (4, 20200064), (8, 10100032), (16, 5050016), (32, 2525008), (64, 1262504), (128, 631252), (256, 315626), (512, 157813)]