135940040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{43019}}^1$

素因数の和:43109

約数の個数: 32

約数和(自身を含む): 309744000

約数和(自身を除く): 173803960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 43019, 86038, 172076, 215095, 344152, 430190, 860380, 1720760, 3398501, 6797002, 13594004, 16992505, 27188008, 33985010, 67970020, 135940040]

約数ペア:

[(1, 135940040), (2, 67970020), (4, 33985010), (5, 27188008), (8, 16992505), (10, 13594004), (20, 6797002), (40, 3398501), (79, 1720760), (158, 860380), (316, 430190), (395, 344152), (632, 215095), (790, 172076), (1580, 86038), (3160, 43019)]