12711998980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{35863}}^1$

素因数の和:36388

約数の個数: 48

約数和(自身を含む): 27474693120

約数和(自身を除く): 14762694140

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 479, 740, 958, 1916, 2395, 4790, 9580, 17723, 35446, 35863, 70892, 71726, 88615, 143452, 177230, 179315, 354460, 358630, 717260, 1326931, 2653862, 5307724, 6634655, 13269310, 17178377, 26538620, 34356754, 68713508, 85891885, 171783770, 343567540, 635599949, 1271199898, 2542399796, 3177999745, 6355999490, 12711998980]

約数ペア:

[(1, 12711998980), (2, 6355999490), (4, 3177999745), (5, 2542399796), (10, 1271199898), (20, 635599949), (37, 343567540), (74, 171783770), (148, 85891885), (185, 68713508), (370, 34356754), (479, 26538620), (740, 17178377), (958, 13269310), (1916, 6634655), (2395, 5307724), (4790, 2653862), (9580, 1326931), (17723, 717260), (35446, 358630), (35863, 354460), (70892, 179315), (71726, 177230), (88615, 143452)]