80434120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154681}}^1$

素因数の和:154705

約数の個数: 32

約数和(自身を含む): 194899320

約数和(自身を除く): 114465200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 154681, 309362, 618724, 773405, 1237448, 1546810, 2010853, 3093620, 4021706, 6187240, 8043412, 10054265, 16086824, 20108530, 40217060, 80434120]

約数ペア:

[(1, 80434120), (2, 40217060), (4, 20108530), (5, 16086824), (8, 10054265), (10, 8043412), (13, 6187240), (20, 4021706), (26, 3093620), (40, 2010853), (52, 1546810), (65, 1237448), (104, 773405), (130, 618724), (260, 309362), (520, 154681)]