16806640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11057}}^1$

素因数の和:11089

約数の個数: 40

約数和(自身を含む): 41135760

約数和(自身を除く): 24329120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 11057, 22114, 44228, 55285, 88456, 110570, 176912, 210083, 221140, 420166, 442280, 840332, 884560, 1050415, 1680664, 2100830, 3361328, 4201660, 8403320, 16806640]

約数ペア:

[(1, 16806640), (2, 8403320), (4, 4201660), (5, 3361328), (8, 2100830), (10, 1680664), (16, 1050415), (19, 884560), (20, 840332), (38, 442280), (40, 420166), (76, 221140), (80, 210083), (95, 176912), (152, 110570), (190, 88456), (304, 55285), (380, 44228), (760, 22114), (1520, 11057)]