69287660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{266491}}^1$

素因数の和:266513

約数の個数: 24

約数和(自身を含む): 156697296

約数和(自身を除く): 87409636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 266491, 532982, 1065964, 1332455, 2664910, 3464383, 5329820, 6928766, 13857532, 17321915, 34643830, 69287660]

約数ペア:

[(1, 69287660), (2, 34643830), (4, 17321915), (5, 13857532), (10, 6928766), (13, 5329820), (20, 3464383), (26, 2664910), (52, 1332455), (65, 1065964), (130, 532982), (260, 266491)]