12580820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1231}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 30632448

約数和(自身を除く): 18051628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1231, 1460, 2044, 2462, 2555, 4924, 5110, 6155, 8617, 10220, 12310, 17234, 24620, 34468, 43085, 86170, 89863, 172340, 179726, 359452, 449315, 629041, 898630, 1258082, 1797260, 2516164, 3145205, 6290410, 12580820]

約数ペア:

[(1, 12580820), (2, 6290410), (4, 3145205), (5, 2516164), (7, 1797260), (10, 1258082), (14, 898630), (20, 629041), (28, 449315), (35, 359452), (70, 179726), (73, 172340), (140, 89863), (146, 86170), (292, 43085), (365, 34468), (511, 24620), (730, 17234), (1022, 12310), (1231, 10220), (1460, 8617), (2044, 6155), (2462, 5110), (2555, 4924)]