66354160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19289}}^1$

素因数の和:19345

約数の個数: 40

約数和(自身を含む): 157869360

約数和(自身を除く): 91515200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 19289, 38578, 77156, 96445, 154312, 192890, 308624, 385780, 771560, 829427, 1543120, 1658854, 3317708, 4147135, 6635416, 8294270, 13270832, 16588540, 33177080, 66354160]

約数ペア:

[(1, 66354160), (2, 33177080), (4, 16588540), (5, 13270832), (8, 8294270), (10, 6635416), (16, 4147135), (20, 3317708), (40, 1658854), (43, 1543120), (80, 829427), (86, 771560), (172, 385780), (215, 308624), (344, 192890), (430, 154312), (688, 96445), (860, 77156), (1720, 38578), (3440, 19289)]