80174120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154181}}^1$

素因数の和:154205

約数の個数: 32

約数和(自身を含む): 194269320

約数和(自身を除く): 114095200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154181, 308362, 616724, 770905, 1233448, 1541810, 2004353, 3083620, 4008706, 6167240, 8017412, 10021765, 16034824, 20043530, 40087060, 80174120]

約数ペア:

[(1, 80174120), (2, 40087060), (4, 20043530), (5, 16034824), (8, 10021765), (10, 8017412), (13, 6167240), (20, 4008706), (26, 3083620), (40, 2004353), (52, 1541810), (65, 1233448), (104, 770905), (130, 616724), (260, 308362), (520, 154181)]