7040

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1$

素因数の和:30

約数の個数: 32

約数和(自身を含む): 18360

約数和(自身を除く): 11320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040]

約数ペア:

[(1, 7040), (2, 3520), (4, 1760), (5, 1408), (8, 880), (10, 704), (11, 640), (16, 440), (20, 352), (22, 320), (32, 220), (40, 176), (44, 160), (55, 128), (64, 110), (80, 88)]