80578988

素因数分解:

$2^2\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{2549}}^1$

素因数の和:3689

約数の個数: 24

約数和(自身を含む): 161364000

約数和(自身を除く): 80785012

約数列:

[1, 2, 4, 7, 14, 28, 1129, 2258, 2549, 4516, 5098, 7903, 10196, 15806, 17843, 31612, 35686, 71372, 2877821, 5755642, 11511284, 20144747, 40289494, 80578988]

約数ペア:

[(1, 80578988), (2, 40289494), (4, 20144747), (7, 11511284), (14, 5755642), (28, 2877821), (1129, 71372), (2258, 35686), (2549, 31612), (4516, 17843), (5098, 15806), (7903, 10196)]