55145840

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2621}}^1$

素因数の和:2897

約数の個数: 40

約数和(自身を含む): 128750688

約数和(自身を除く): 73604848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2621, 2630, 4208, 5242, 5260, 10484, 10520, 13105, 20968, 21040, 26210, 41936, 52420, 104840, 209680, 689323, 1378646, 2757292, 3446615, 5514584, 6893230, 11029168, 13786460, 27572920, 55145840]

約数ペア:

[(1, 55145840), (2, 27572920), (4, 13786460), (5, 11029168), (8, 6893230), (10, 5514584), (16, 3446615), (20, 2757292), (40, 1378646), (80, 689323), (263, 209680), (526, 104840), (1052, 52420), (1315, 41936), (2104, 26210), (2621, 21040), (2630, 20968), (4208, 13105), (5242, 10520), (5260, 10484)]