56417660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{216991}}^1$

素因数の和:217013

約数の個数: 24

約数和(自身を含む): 127591296

約数和(自身を除く): 71173636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 216991, 433982, 867964, 1084955, 2169910, 2820883, 4339820, 5641766, 11283532, 14104415, 28208830, 56417660]

約数ペア:

[(1, 56417660), (2, 28208830), (4, 14104415), (5, 11283532), (10, 5641766), (13, 4339820), (20, 2820883), (26, 2169910), (52, 1084955), (65, 867964), (130, 433982), (260, 216991)]