3985040

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 9370680

約数和(自身を除く): 5385640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 457, 545, 872, 914, 1090, 1744, 1828, 2180, 2285, 3656, 4360, 4570, 7312, 8720, 9140, 18280, 36560, 49813, 99626, 199252, 249065, 398504, 498130, 797008, 996260, 1992520, 3985040]

約数ペア:

[(1, 3985040), (2, 1992520), (4, 996260), (5, 797008), (8, 498130), (10, 398504), (16, 249065), (20, 199252), (40, 99626), (80, 49813), (109, 36560), (218, 18280), (436, 9140), (457, 8720), (545, 7312), (872, 4570), (914, 4360), (1090, 3656), (1744, 2285), (1828, 2180)]