28035920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31859}}^1$

素因数の和:31883

約数の個数: 40

約数和(自身を含む): 71111520

約数和(自身を除く): 43075600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 31859, 63718, 127436, 159295, 254872, 318590, 350449, 509744, 637180, 700898, 1274360, 1401796, 1752245, 2548720, 2803592, 3504490, 5607184, 7008980, 14017960, 28035920]

約数ペア:

[(1, 28035920), (2, 14017960), (4, 7008980), (5, 5607184), (8, 3504490), (10, 2803592), (11, 2548720), (16, 1752245), (20, 1401796), (22, 1274360), (40, 700898), (44, 637180), (55, 509744), (80, 350449), (88, 318590), (110, 254872), (176, 159295), (220, 127436), (440, 63718), (880, 31859)]