1780490060

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{89833}}^1$

素因数の和:90833

約数の個数: 24

約数和(自身を含む): 3742843776

約数和(自身を除く): 1962353716

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 89833, 179666, 359332, 449165, 898330, 1796660, 89024503, 178049006, 356098012, 445122515, 890245030, 1780490060]

約数ペア:

[(1, 1780490060), (2, 890245030), (4, 445122515), (5, 356098012), (10, 178049006), (20, 89024503), (991, 1796660), (1982, 898330), (3964, 449165), (4955, 359332), (9910, 179666), (19820, 89833)]