55262440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7013}}^1$

素因数の和:7221

約数の個数: 32

約数和(自身を含む): 124989480

約数和(自身を除く): 69727040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7013, 7880, 14026, 28052, 35065, 56104, 70130, 140260, 280520, 1381561, 2763122, 5526244, 6907805, 11052488, 13815610, 27631220, 55262440]

約数ペア:

[(1, 55262440), (2, 27631220), (4, 13815610), (5, 11052488), (8, 6907805), (10, 5526244), (20, 2763122), (40, 1381561), (197, 280520), (394, 140260), (788, 70130), (985, 56104), (1576, 35065), (1970, 28052), (3940, 14026), (7013, 7880)]