40539824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2909}}^1$

素因数の和:2997

約数の個数: 40

約数和(自身を含む): 85879920

約数和(自身を除く): 45340096

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 2909, 3484, 5818, 6968, 11636, 13936, 23272, 37817, 46544, 75634, 151268, 194903, 302536, 389806, 605072, 779612, 1559224, 2533739, 3118448, 5067478, 10134956, 20269912, 40539824]

約数ペア:

[(1, 40539824), (2, 20269912), (4, 10134956), (8, 5067478), (13, 3118448), (16, 2533739), (26, 1559224), (52, 779612), (67, 605072), (104, 389806), (134, 302536), (208, 194903), (268, 151268), (536, 75634), (871, 46544), (1072, 37817), (1742, 23272), (2909, 13936), (3484, 11636), (5818, 6968)]