15704482820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1948447}}^1$

素因数の和:1948500

約数の個数: 48

約数和(自身を含む): 36661997568

約数和(自身を除く): 20957514748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 1948447, 3896894, 7793788, 9742235, 19484470, 25329811, 38968940, 50659622, 60401857, 101319244, 120803714, 126649055, 241607428, 253298110, 302009285, 506596220, 604018570, 785224141, 1208037140, 1570448282, 3140896564, 3926120705, 7852241410, 15704482820]

約数ペア:

[(1, 15704482820), (2, 7852241410), (4, 3926120705), (5, 3140896564), (10, 1570448282), (13, 1208037140), (20, 785224141), (26, 604018570), (31, 506596220), (52, 302009285), (62, 253298110), (65, 241607428), (124, 126649055), (130, 120803714), (155, 101319244), (260, 60401857), (310, 50659622), (403, 38968940), (620, 25329811), (806, 19484470), (1612, 9742235), (2015, 7793788), (4030, 3896894), (8060, 1948447)]