90328640

素因数分解:

$2^6\times 5^1\times {\mathrm{439}}^1\times {\mathrm{643}}^1$

素因数の和:1099

約数の個数: 56

約数和(自身を含む): 215920320

約数和(自身を除く): 125591680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 439, 643, 878, 1286, 1756, 2195, 2572, 3215, 3512, 4390, 5144, 6430, 7024, 8780, 10288, 12860, 14048, 17560, 20576, 25720, 28096, 35120, 41152, 51440, 70240, 102880, 140480, 205760, 282277, 564554, 1129108, 1411385, 2258216, 2822770, 4516432, 5645540, 9032864, 11291080, 18065728, 22582160, 45164320, 90328640]

約数ペア:

[(1, 90328640), (2, 45164320), (4, 22582160), (5, 18065728), (8, 11291080), (10, 9032864), (16, 5645540), (20, 4516432), (32, 2822770), (40, 2258216), (64, 1411385), (80, 1129108), (160, 564554), (320, 282277), (439, 205760), (643, 140480), (878, 102880), (1286, 70240), (1756, 51440), (2195, 41152), (2572, 35120), (3215, 28096), (3512, 25720), (4390, 20576), (5144, 17560), (6430, 14048), (7024, 12860), (8780, 10288)]