1258480

素因数分解:

$2^4\times 5^1\times {\mathrm{15731}}^1$

素因数の和:15744

約数の個数: 20

約数和(自身を含む): 2926152

約数和(自身を除く): 1667672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15731, 31462, 62924, 78655, 125848, 157310, 251696, 314620, 629240, 1258480]

約数ペア:

[(1, 1258480), (2, 629240), (4, 314620), (5, 251696), (8, 157310), (10, 125848), (16, 78655), (20, 62924), (40, 31462), (80, 15731)]