220520067820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{853}}^1\times {\mathrm{994319}}^1$

素因数の和:995194

約数の個数: 48

約数和(自身を含む): 499299776640

約数和(自身を除く): 278779708820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 853, 1706, 3412, 4265, 8530, 11089, 17060, 22178, 44356, 55445, 110890, 221780, 994319, 1988638, 3977276, 4971595, 9943190, 12926147, 19886380, 25852294, 51704588, 64630735, 129261470, 258522940, 848154107, 1696308214, 3392616428, 4240770535, 8481541070, 11026003391, 16963082140, 22052006782, 44104013564, 55130016955, 110260033910, 220520067820]

約数ペア:

[(1, 220520067820), (2, 110260033910), (4, 55130016955), (5, 44104013564), (10, 22052006782), (13, 16963082140), (20, 11026003391), (26, 8481541070), (52, 4240770535), (65, 3392616428), (130, 1696308214), (260, 848154107), (853, 258522940), (1706, 129261470), (3412, 64630735), (4265, 51704588), (8530, 25852294), (11089, 19886380), (17060, 12926147), (22178, 9943190), (44356, 4971595), (55445, 3977276), (110890, 1988638), (221780, 994319)]