55241240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32117}}^1$

素因数の和:32171

約数の個数: 32

約数和(自身を含む): 127187280

約数和(自身を除く): 71946040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 32117, 64234, 128468, 160585, 256936, 321170, 642340, 1284680, 1381031, 2762062, 5524124, 6905155, 11048248, 13810310, 27620620, 55241240]

約数ペア:

[(1, 55241240), (2, 27620620), (4, 13810310), (5, 11048248), (8, 6905155), (10, 5524124), (20, 2762062), (40, 1381031), (43, 1284680), (86, 642340), (172, 321170), (215, 256936), (344, 160585), (430, 128468), (860, 64234), (1720, 32117)]