42989180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{165343}}^1$

素因数の和:165365

約数の個数: 24

約数和(自身を含む): 97222272

約数和(自身を除く): 54233092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 165343, 330686, 661372, 826715, 1653430, 2149459, 3306860, 4298918, 8597836, 10747295, 21494590, 42989180]

約数ペア:

[(1, 42989180), (2, 21494590), (4, 10747295), (5, 8597836), (10, 4298918), (13, 3306860), (20, 2149459), (26, 1653430), (52, 826715), (65, 661372), (130, 330686), (260, 165343)]