139828520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{607}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 340139520

約数和(自身を除く): 200311000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 443, 520, 607, 886, 1214, 1772, 2215, 2428, 3035, 3544, 4430, 4856, 5759, 6070, 7891, 8860, 11518, 12140, 15782, 17720, 23036, 24280, 28795, 31564, 39455, 46072, 57590, 63128, 78910, 115180, 157820, 230360, 268901, 315640, 537802, 1075604, 1344505, 2151208, 2689010, 3495713, 5378020, 6991426, 10756040, 13982852, 17478565, 27965704, 34957130, 69914260, 139828520]

約数ペア:

[(1, 139828520), (2, 69914260), (4, 34957130), (5, 27965704), (8, 17478565), (10, 13982852), (13, 10756040), (20, 6991426), (26, 5378020), (40, 3495713), (52, 2689010), (65, 2151208), (104, 1344505), (130, 1075604), (260, 537802), (443, 315640), (520, 268901), (607, 230360), (886, 157820), (1214, 115180), (1772, 78910), (2215, 63128), (2428, 57590), (3035, 46072), (3544, 39455), (4430, 31564), (4856, 28795), (5759, 24280), (6070, 23036), (7891, 17720), (8860, 15782), (11518, 12140)]