7872640

素因数分解:

$2^7\times 5^1\times {\mathrm{12301}}^1$

素因数の和:12320

約数の個数: 32

約数和(自身を含む): 18822060

約数和(自身を除く): 10949420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12301, 24602, 49204, 61505, 98408, 123010, 196816, 246020, 393632, 492040, 787264, 984080, 1574528, 1968160, 3936320, 7872640]

約数ペア:

[(1, 7872640), (2, 3936320), (4, 1968160), (5, 1574528), (8, 984080), (10, 787264), (16, 492040), (20, 393632), (32, 246020), (40, 196816), (64, 123010), (80, 98408), (128, 61505), (160, 49204), (320, 24602), (640, 12301)]