66893320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 163159920

約数和(自身を除く): 96266600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 653, 788, 985, 1306, 1576, 1970, 2561, 2612, 3265, 3940, 5122, 5224, 6530, 7880, 8489, 10244, 12805, 13060, 16978, 20488, 25610, 26120, 33956, 42445, 51220, 67912, 84890, 102440, 128641, 169780, 257282, 339560, 514564, 643205, 1029128, 1286410, 1672333, 2572820, 3344666, 5145640, 6689332, 8361665, 13378664, 16723330, 33446660, 66893320]

約数ペア:

[(1, 66893320), (2, 33446660), (4, 16723330), (5, 13378664), (8, 8361665), (10, 6689332), (13, 5145640), (20, 3344666), (26, 2572820), (40, 1672333), (52, 1286410), (65, 1029128), (104, 643205), (130, 514564), (197, 339560), (260, 257282), (394, 169780), (520, 128641), (653, 102440), (788, 84890), (985, 67912), (1306, 51220), (1576, 42445), (1970, 33956), (2561, 26120), (2612, 25610), (3265, 20488), (3940, 16978), (5122, 13060), (5224, 12805), (6530, 10244), (7880, 8489)]