53085640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1381}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 123509340

約数和(自身を除く): 70423700

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1381, 1922, 2762, 3844, 4805, 5524, 6905, 7688, 9610, 11048, 13810, 19220, 27620, 38440, 42811, 55240, 85622, 171244, 214055, 342488, 428110, 856220, 1327141, 1712440, 2654282, 5308564, 6635705, 10617128, 13271410, 26542820, 53085640]

約数ペア:

[(1, 53085640), (2, 26542820), (4, 13271410), (5, 10617128), (8, 6635705), (10, 5308564), (20, 2654282), (31, 1712440), (40, 1327141), (62, 856220), (124, 428110), (155, 342488), (248, 214055), (310, 171244), (620, 85622), (961, 55240), (1240, 42811), (1381, 38440), (1922, 27620), (2762, 19220), (3844, 13810), (4805, 11048), (5524, 9610), (6905, 7688)]