12750980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{479}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 29514240

約数和(自身を除く): 16763260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 479, 484, 605, 958, 1210, 1331, 1916, 2395, 2420, 2662, 4790, 5269, 5324, 6655, 9580, 10538, 13310, 21076, 26345, 26620, 52690, 57959, 105380, 115918, 231836, 289795, 579590, 637549, 1159180, 1275098, 2550196, 3187745, 6375490, 12750980]

約数ペア:

[(1, 12750980), (2, 6375490), (4, 3187745), (5, 2550196), (10, 1275098), (11, 1159180), (20, 637549), (22, 579590), (44, 289795), (55, 231836), (110, 115918), (121, 105380), (220, 57959), (242, 52690), (479, 26620), (484, 26345), (605, 21076), (958, 13310), (1210, 10538), (1331, 9580), (1916, 6655), (2395, 5324), (2420, 5269), (2662, 4790)]