81450896

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{64439}}^1$

素因数の和:64526

約数の個数: 20

約数和(自身を含む): 159811200

約数和(自身を除く): 78360304

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 64439, 128878, 257756, 515512, 1031024, 5090681, 10181362, 20362724, 40725448, 81450896]

約数ペア:

[(1, 81450896), (2, 40725448), (4, 20362724), (8, 10181362), (16, 5090681), (79, 1031024), (158, 515512), (316, 257756), (632, 128878), (1264, 64439)]