281626480

素因数分解:

$2^4\times 5^1\times {\mathrm{853}}^1\times {\mathrm{4127}}^1$

素因数の和:4993

約数の個数: 40

約数和(自身を含む): 655708032

約数和(自身を除く): 374081552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853, 1706, 3412, 4127, 4265, 6824, 8254, 8530, 13648, 16508, 17060, 20635, 33016, 34120, 41270, 66032, 68240, 82540, 165080, 330160, 3520331, 7040662, 14081324, 17601655, 28162648, 35203310, 56325296, 70406620, 140813240, 281626480]

約数ペア:

[(1, 281626480), (2, 140813240), (4, 70406620), (5, 56325296), (8, 35203310), (10, 28162648), (16, 17601655), (20, 14081324), (40, 7040662), (80, 3520331), (853, 330160), (1706, 165080), (3412, 82540), (4127, 68240), (4265, 66032), (6824, 41270), (8254, 34120), (8530, 33016), (13648, 20635), (16508, 17060)]