28697920

素因数分解:

$2^6\times 5^1\times {\mathrm{89681}}^1$

素因数の和:89698

約数の個数: 28

約数和(自身を含む): 68337684

約数和(自身を除く): 39639764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 89681, 179362, 358724, 448405, 717448, 896810, 1434896, 1793620, 2869792, 3587240, 5739584, 7174480, 14348960, 28697920]

約数ペア:

[(1, 28697920), (2, 14348960), (4, 7174480), (5, 5739584), (8, 3587240), (10, 2869792), (16, 1793620), (20, 1434896), (32, 896810), (40, 717448), (64, 448405), (80, 358724), (160, 179362), (320, 89681)]