165084880

素因数分解:

$2^4\times 5^1\times {\mathrm{2063561}}^1$

素因数の和:2063574

約数の個数: 20

約数和(自身を含む): 383822532

約数和(自身を除く): 218737652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2063561, 4127122, 8254244, 10317805, 16508488, 20635610, 33016976, 41271220, 82542440, 165084880]

約数ペア:

[(1, 165084880), (2, 82542440), (4, 41271220), (5, 33016976), (8, 20635610), (10, 16508488), (16, 10317805), (20, 8254244), (40, 4127122), (80, 2063561)]