516140

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 1097712

約数和(自身を除く): 581572

約数列:

[1, 2, 4, 5, 10, 20, 131, 197, 262, 394, 524, 655, 788, 985, 1310, 1970, 2620, 3940, 25807, 51614, 103228, 129035, 258070, 516140]

約数ペア:

[(1, 516140), (2, 258070), (4, 129035), (5, 103228), (10, 51614), (20, 25807), (131, 3940), (197, 2620), (262, 1970), (394, 1310), (524, 985), (655, 788)]