129446980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{497873}}^1$

素因数の和:497895

約数の個数: 24

約数和(自身を含む): 292749912

約数和(自身を除く): 163302932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 497873, 995746, 1991492, 2489365, 4978730, 6472349, 9957460, 12944698, 25889396, 32361745, 64723490, 129446980]

約数ペア:

[(1, 129446980), (2, 64723490), (4, 32361745), (5, 25889396), (10, 12944698), (13, 9957460), (20, 6472349), (26, 4978730), (52, 2489365), (65, 1991492), (130, 995746), (260, 497873)]