67945160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39503}}^1$

素因数の和:39557

約数の個数: 32

約数和(自身を含む): 156435840

約数和(自身を除く): 88490680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 39503, 79006, 158012, 197515, 316024, 395030, 790060, 1580120, 1698629, 3397258, 6794516, 8493145, 13589032, 16986290, 33972580, 67945160]

約数ペア:

[(1, 67945160), (2, 33972580), (4, 16986290), (5, 13589032), (8, 8493145), (10, 6794516), (20, 3397258), (40, 1698629), (43, 1580120), (86, 790060), (172, 395030), (215, 316024), (344, 197515), (430, 158012), (860, 79006), (1720, 39503)]