8428840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30103}}^1$

素因数の和:30121

約数の個数: 32

約数和(自身を含む): 21674880

約数和(自身を除く): 13246040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30103, 60206, 120412, 150515, 210721, 240824, 301030, 421442, 602060, 842884, 1053605, 1204120, 1685768, 2107210, 4214420, 8428840]

約数ペア:

[(1, 8428840), (2, 4214420), (4, 2107210), (5, 1685768), (7, 1204120), (8, 1053605), (10, 842884), (14, 602060), (20, 421442), (28, 301030), (35, 240824), (40, 210721), (56, 150515), (70, 120412), (140, 60206), (280, 30103)]