202440620

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{15791}}^1$

素因数の和:16441

約数の個数: 24

約数和(自身を含む): 425815488

約数和(自身を除く): 223374868

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 15791, 31582, 63164, 78955, 157910, 315820, 10122031, 20244062, 40488124, 50610155, 101220310, 202440620]

約数ペア:

[(1, 202440620), (2, 101220310), (4, 50610155), (5, 40488124), (10, 20244062), (20, 10122031), (641, 315820), (1282, 157910), (2564, 78955), (3205, 63164), (6410, 31582), (12820, 15791)]