4640440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{16573}}^1$

素因数の和:16591

約数の個数: 32

約数和(自身を含む): 11933280

約数和(自身を除く): 7292840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 16573, 33146, 66292, 82865, 116011, 132584, 165730, 232022, 331460, 464044, 580055, 662920, 928088, 1160110, 2320220, 4640440]

約数ペア:

[(1, 4640440), (2, 2320220), (4, 1160110), (5, 928088), (7, 662920), (8, 580055), (10, 464044), (14, 331460), (20, 232022), (28, 165730), (35, 132584), (40, 116011), (56, 82865), (70, 66292), (140, 33146), (280, 16573)]