138803080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20533}}^1$

素因数の和:20570

約数の個数: 48

約数和(自身を含む): 338194980

約数和(自身を除く): 199391900

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 20533, 41066, 82132, 102665, 164264, 205330, 266929, 410660, 533858, 821320, 1067716, 1334645, 2135432, 2669290, 3470077, 5338580, 6940154, 10677160, 13880308, 17350385, 27760616, 34700770, 69401540, 138803080]

約数ペア:

[(1, 138803080), (2, 69401540), (4, 34700770), (5, 27760616), (8, 17350385), (10, 13880308), (13, 10677160), (20, 6940154), (26, 5338580), (40, 3470077), (52, 2669290), (65, 2135432), (104, 1334645), (130, 1067716), (169, 821320), (260, 533858), (338, 410660), (520, 266929), (676, 205330), (845, 164264), (1352, 102665), (1690, 82132), (3380, 41066), (6760, 20533)]