82820440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26209}}^1$

素因数の和:26299

約数の個数: 32

約数和(自身を含む): 188712000

約数和(自身を除く): 105891560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 26209, 52418, 104836, 131045, 209672, 262090, 524180, 1048360, 2070511, 4141022, 8282044, 10352555, 16564088, 20705110, 41410220, 82820440]

約数ペア:

[(1, 82820440), (2, 41410220), (4, 20705110), (5, 16564088), (8, 10352555), (10, 8282044), (20, 4141022), (40, 2070511), (79, 1048360), (158, 524180), (316, 262090), (395, 209672), (632, 131045), (790, 104836), (1580, 52418), (3160, 26209)]