80781632

素因数分解:

$2^6\times {\mathrm{67}}^1\times {\mathrm{18839}}^1$

素因数の和:18918

約数の個数: 28

約数和(自身を含む): 162702240

約数和(自身を除く): 81920608

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 134, 268, 536, 1072, 2144, 4288, 18839, 37678, 75356, 150712, 301424, 602848, 1205696, 1262213, 2524426, 5048852, 10097704, 20195408, 40390816, 80781632]

約数ペア:

[(1, 80781632), (2, 40390816), (4, 20195408), (8, 10097704), (16, 5048852), (32, 2524426), (64, 1262213), (67, 1205696), (134, 602848), (268, 301424), (536, 150712), (1072, 75356), (2144, 37678), (4288, 18839)]