140486320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{10391}}^1$

素因数の和:10430

約数の個数: 60

約数和(自身を含む): 353722896

約数和(自身を除く): 213236576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 10391, 13520, 20782, 41564, 51955, 83128, 103910, 135083, 166256, 207820, 270166, 415640, 540332, 675415, 831280, 1080664, 1350830, 1756079, 2161328, 2701660, 3512158, 5403320, 7024316, 8780395, 10806640, 14048632, 17560790, 28097264, 35121580, 70243160, 140486320]

約数ペア:

[(1, 140486320), (2, 70243160), (4, 35121580), (5, 28097264), (8, 17560790), (10, 14048632), (13, 10806640), (16, 8780395), (20, 7024316), (26, 5403320), (40, 3512158), (52, 2701660), (65, 2161328), (80, 1756079), (104, 1350830), (130, 1080664), (169, 831280), (208, 675415), (260, 540332), (338, 415640), (520, 270166), (676, 207820), (845, 166256), (1040, 135083), (1352, 103910), (1690, 83128), (2704, 51955), (3380, 41564), (6760, 20782), (10391, 13520)]