16986280

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1567}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 21398360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 1567, 2168, 2710, 3134, 5420, 6268, 7835, 10840, 12536, 15670, 31340, 62680, 424657, 849314, 1698628, 2123285, 3397256, 4246570, 8493140, 16986280]

約数ペア:

[(1, 16986280), (2, 8493140), (4, 4246570), (5, 3397256), (8, 2123285), (10, 1698628), (20, 849314), (40, 424657), (271, 62680), (542, 31340), (1084, 15670), (1355, 12536), (1567, 10840), (2168, 7835), (2710, 6268), (3134, 5420)]