16640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1$

素因数の和:34

約数の個数: 36

約数和(自身を含む): 42924

約数和(自身を除く): 26284

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640]

約数ペア:

[(1, 16640), (2, 8320), (4, 4160), (5, 3328), (8, 2080), (10, 1664), (13, 1280), (16, 1040), (20, 832), (26, 640), (32, 520), (40, 416), (52, 320), (64, 260), (65, 256), (80, 208), (104, 160), (128, 130)]