3520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1$

素因数の和:28

約数の個数: 28

約数和(自身を含む): 9144

約数和(自身を除く): 5624

約数列:

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

約数ペア:

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