6422720

素因数分解:

$2^6\times 5^1\times {\mathrm{20071}}^1$

素因数の和:20088

約数の個数: 28

約数和(自身を含む): 15294864

約数和(自身を除く): 8872144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 20071, 40142, 80284, 100355, 160568, 200710, 321136, 401420, 642272, 802840, 1284544, 1605680, 3211360, 6422720]

約数ペア:

[(1, 6422720), (2, 3211360), (4, 1605680), (5, 1284544), (8, 802840), (10, 642272), (16, 401420), (20, 321136), (32, 200710), (40, 160568), (64, 100355), (80, 80284), (160, 40142), (320, 20071)]