255695180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{983443}}^1$

素因数の和:983465

約数の個数: 24

約数和(自身を含む): 578265072

約数和(自身を除く): 322569892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 983443, 1966886, 3933772, 4917215, 9834430, 12784759, 19668860, 25569518, 51139036, 63923795, 127847590, 255695180]

約数ペア:

[(1, 255695180), (2, 127847590), (4, 63923795), (5, 51139036), (10, 25569518), (13, 19668860), (20, 12784759), (26, 9834430), (52, 4917215), (65, 3933772), (130, 1966886), (260, 983443)]