12775820

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1301}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 26904528

約数和(自身を除く): 14128708

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1301, 1964, 2455, 2602, 4910, 5204, 6505, 9820, 13010, 26020, 638791, 1277582, 2555164, 3193955, 6387910, 12775820]

約数ペア:

[(1, 12775820), (2, 6387910), (4, 3193955), (5, 2555164), (10, 1277582), (20, 638791), (491, 26020), (982, 13010), (1301, 9820), (1964, 6505), (2455, 5204), (2602, 4910)]