1961080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4457}}^1$

素因数の和:4479

約数の個数: 32

約数和(自身を含む): 4814640

約数和(自身を除く): 2853560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4457, 8914, 17828, 22285, 35656, 44570, 49027, 89140, 98054, 178280, 196108, 245135, 392216, 490270, 980540, 1961080]

約数ペア:

[(1, 1961080), (2, 980540), (4, 490270), (5, 392216), (8, 245135), (10, 196108), (11, 178280), (20, 98054), (22, 89140), (40, 49027), (44, 44570), (55, 35656), (88, 22285), (110, 17828), (220, 8914), (440, 4457)]