12800128

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{9091}}^1$

素因数の和:9116

約数の個数: 32

約数和(自身を含む): 27821520

約数和(自身を除く): 15021392

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 9091, 18182, 36364, 72728, 100001, 145456, 200002, 290912, 400004, 581824, 800008, 1163648, 1600016, 3200032, 6400064, 12800128]

約数ペア:

[(1, 12800128), (2, 6400064), (4, 3200032), (8, 1600016), (11, 1163648), (16, 800008), (22, 581824), (32, 400004), (44, 290912), (64, 200002), (88, 145456), (128, 100001), (176, 72728), (352, 36364), (704, 18182), (1408, 9091)]