3979280

素因数分解:

$2^4\times 5^1\times {\mathrm{49741}}^1$

素因数の和:49754

約数の個数: 20

約数和(自身を含む): 9252012

約数和(自身を除く): 5272732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49741, 99482, 198964, 248705, 397928, 497410, 795856, 994820, 1989640, 3979280]

約数ペア:

[(1, 3979280), (2, 1989640), (4, 994820), (5, 795856), (8, 497410), (10, 397928), (16, 248705), (20, 198964), (40, 99482), (80, 49741)]