165156760

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{6323}}^1$

素因数の和:6987

約数の個数: 32

約数和(自身を含む): 372230640

約数和(自身を除く): 207073880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6323, 6530, 12646, 13060, 25292, 26120, 31615, 50584, 63230, 126460, 252920, 4128919, 8257838, 16515676, 20644595, 33031352, 41289190, 82578380, 165156760]

約数ペア:

[(1, 165156760), (2, 82578380), (4, 41289190), (5, 33031352), (8, 20644595), (10, 16515676), (20, 8257838), (40, 4128919), (653, 252920), (1306, 126460), (2612, 63230), (3265, 50584), (5224, 31615), (6323, 26120), (6530, 25292), (12646, 13060)]