5231980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20123}}^1$

素因数の和:20145

約数の個数: 24

約数和(自身を含む): 11832912

約数和(自身を除く): 6600932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20123, 40246, 80492, 100615, 201230, 261599, 402460, 523198, 1046396, 1307995, 2615990, 5231980]

約数ペア:

[(1, 5231980), (2, 2615990), (4, 1307995), (5, 1046396), (10, 523198), (13, 402460), (20, 261599), (26, 201230), (52, 100615), (65, 80492), (130, 40246), (260, 20123)]