2562760

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 5846400

約数和(自身を除く): 3283640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 811, 1580, 1622, 3160, 3244, 4055, 6488, 8110, 16220, 32440, 64069, 128138, 256276, 320345, 512552, 640690, 1281380, 2562760]

約数ペア:

[(1, 2562760), (2, 1281380), (4, 640690), (5, 512552), (8, 320345), (10, 256276), (20, 128138), (40, 64069), (79, 32440), (158, 16220), (316, 8110), (395, 6488), (632, 4055), (790, 3244), (811, 3160), (1580, 1622)]