63921280

素因数分解:

$2^7\times 5^1\times {\mathrm{99877}}^1$

素因数の和:99896

約数の個数: 32

約数和(自身を含む): 152813340

約数和(自身を除く): 88892060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 99877, 199754, 399508, 499385, 799016, 998770, 1598032, 1997540, 3196064, 3995080, 6392128, 7990160, 12784256, 15980320, 31960640, 63921280]

約数ペア:

[(1, 63921280), (2, 31960640), (4, 15980320), (5, 12784256), (8, 7990160), (10, 6392128), (16, 3995080), (20, 3196064), (32, 1997540), (40, 1598032), (64, 998770), (80, 799016), (128, 499385), (160, 399508), (320, 199754), (640, 99877)]