13412720

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{431}}^1$

素因数の和:833

約数の個数: 40

約数和(自身を含む): 31337280

約数和(自身を除く): 17924560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 431, 778, 862, 1556, 1724, 1945, 2155, 3112, 3448, 3890, 4310, 6224, 6896, 7780, 8620, 15560, 17240, 31120, 34480, 167659, 335318, 670636, 838295, 1341272, 1676590, 2682544, 3353180, 6706360, 13412720]

約数ペア:

[(1, 13412720), (2, 6706360), (4, 3353180), (5, 2682544), (8, 1676590), (10, 1341272), (16, 838295), (20, 670636), (40, 335318), (80, 167659), (389, 34480), (431, 31120), (778, 17240), (862, 15560), (1556, 8620), (1724, 7780), (1945, 6896), (2155, 6224), (3112, 4310), (3448, 3890)]