2564754620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4136701}}^1$

素因数の和:4136741

約数の個数: 24

約数和(自身を含む): 5559727488

約数和(自身を除く): 2994972868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4136701, 8273402, 16546804, 20683505, 41367010, 82734020, 128237731, 256475462, 512950924, 641188655, 1282377310, 2564754620]

約数ペア:

[(1, 2564754620), (2, 1282377310), (4, 641188655), (5, 512950924), (10, 256475462), (20, 128237731), (31, 82734020), (62, 41367010), (124, 20683505), (155, 16546804), (310, 8273402), (620, 4136701)]