26720128

素因数分解:

$2^7\times {\mathrm{199}}^1\times {\mathrm{1049}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 53550000

約数和(自身を除く): 26829872

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 398, 796, 1049, 1592, 2098, 3184, 4196, 6368, 8392, 12736, 16784, 25472, 33568, 67136, 134272, 208751, 417502, 835004, 1670008, 3340016, 6680032, 13360064, 26720128]

約数ペア:

[(1, 26720128), (2, 13360064), (4, 6680032), (8, 3340016), (16, 1670008), (32, 835004), (64, 417502), (128, 208751), (199, 134272), (398, 67136), (796, 33568), (1049, 25472), (1592, 16784), (2098, 12736), (3184, 8392), (4196, 6368)]