80391896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{1373}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 162736560

約数和(自身を除く): 82344664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 563, 1126, 1373, 2252, 2746, 4504, 5492, 7319, 10984, 14638, 17849, 29276, 35698, 58552, 71396, 142792, 772999, 1545998, 3091996, 6183992, 10048987, 20097974, 40195948, 80391896]

約数ペア:

[(1, 80391896), (2, 40195948), (4, 20097974), (8, 10048987), (13, 6183992), (26, 3091996), (52, 1545998), (104, 772999), (563, 142792), (1126, 71396), (1373, 58552), (2252, 35698), (2746, 29276), (4504, 17849), (5492, 14638), (7319, 10984)]