26140720

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4877}}^1$

素因数の和:4957

約数の個数: 40

約数和(自身を含む): 61696944

約数和(自身を除く): 35556224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 4877, 5360, 9754, 19508, 24385, 39016, 48770, 78032, 97540, 195080, 326759, 390160, 653518, 1307036, 1633795, 2614072, 3267590, 5228144, 6535180, 13070360, 26140720]

約数ペア:

[(1, 26140720), (2, 13070360), (4, 6535180), (5, 5228144), (8, 3267590), (10, 2614072), (16, 1633795), (20, 1307036), (40, 653518), (67, 390160), (80, 326759), (134, 195080), (268, 97540), (335, 78032), (536, 48770), (670, 39016), (1072, 24385), (1340, 19508), (2680, 9754), (4877, 5360)]