66857840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{119389}}^1$

素因数の和:119409

約数の個数: 40

約数和(自身を含む): 177652320

約数和(自身を除く): 110794480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 119389, 238778, 477556, 596945, 835723, 955112, 1193890, 1671446, 1910224, 2387780, 3342892, 4178615, 4775560, 6685784, 8357230, 9551120, 13371568, 16714460, 33428920, 66857840]

約数ペア:

[(1, 66857840), (2, 33428920), (4, 16714460), (5, 13371568), (7, 9551120), (8, 8357230), (10, 6685784), (14, 4775560), (16, 4178615), (20, 3342892), (28, 2387780), (35, 1910224), (40, 1671446), (56, 1193890), (70, 955112), (80, 835723), (112, 596945), (140, 477556), (280, 238778), (560, 119389)]