1041280

素因数分解:

$2^7\times 5^1\times {\mathrm{1627}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 2490840

約数和(自身を除く): 1449560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1627, 3254, 6508, 8135, 13016, 16270, 26032, 32540, 52064, 65080, 104128, 130160, 208256, 260320, 520640, 1041280]

約数ペア:

[(1, 1041280), (2, 520640), (4, 260320), (5, 208256), (8, 130160), (10, 104128), (16, 65080), (20, 52064), (32, 32540), (40, 26032), (64, 16270), (80, 13016), (128, 8135), (160, 6508), (320, 3254), (640, 1627)]