123203480

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{15959}}^1$

素因数の和:16163

約数の個数: 32

約数和(自身を含む): 278661600

約数和(自身を除く): 155458120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 15959, 31918, 63836, 79795, 127672, 159590, 319180, 638360, 3080087, 6160174, 12320348, 15400435, 24640696, 30800870, 61601740, 123203480]

約数ペア:

[(1, 123203480), (2, 61601740), (4, 30800870), (5, 24640696), (8, 15400435), (10, 12320348), (20, 6160174), (40, 3080087), (193, 638360), (386, 319180), (772, 159590), (965, 127672), (1544, 79795), (1930, 63836), (3860, 31918), (7720, 15959)]