51238280

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{24169}}^1$

素因数の和:24233

約数の個数: 32

約数和(自身を含む): 117466200

約数和(自身を除く): 66227920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 24169, 48338, 96676, 120845, 193352, 241690, 483380, 966760, 1280957, 2561914, 5123828, 6404785, 10247656, 12809570, 25619140, 51238280]

約数ペア:

[(1, 51238280), (2, 25619140), (4, 12809570), (5, 10247656), (8, 6404785), (10, 5123828), (20, 2561914), (40, 1280957), (53, 966760), (106, 483380), (212, 241690), (265, 193352), (424, 120845), (530, 96676), (1060, 48338), (2120, 24169)]