79789580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{306883}}^1$

素因数の和:306905

約数の個数: 24

約数和(自身を含む): 180447792

約数和(自身を除く): 100658212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 306883, 613766, 1227532, 1534415, 3068830, 3989479, 6137660, 7978958, 15957916, 19947395, 39894790, 79789580]

約数ペア:

[(1, 79789580), (2, 39894790), (4, 19947395), (5, 15957916), (10, 7978958), (13, 6137660), (20, 3989479), (26, 3068830), (52, 1534415), (65, 1227532), (130, 613766), (260, 306883)]