3967720

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{353}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 8984520

約数和(自身を除く): 5016800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 353, 562, 706, 1124, 1405, 1412, 1765, 2248, 2810, 2824, 3530, 5620, 7060, 11240, 14120, 99193, 198386, 396772, 495965, 793544, 991930, 1983860, 3967720]

約数ペア:

[(1, 3967720), (2, 1983860), (4, 991930), (5, 793544), (8, 495965), (10, 396772), (20, 198386), (40, 99193), (281, 14120), (353, 11240), (562, 7060), (706, 5620), (1124, 3530), (1405, 2824), (1412, 2810), (1765, 2248)]