623508080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{907}}^1$

素因数の和:1594

約数の個数: 80

約数和(自身を含む): 1565253984

約数和(自身を除く): 941745904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 661, 907, 1040, 1322, 1814, 2644, 3305, 3628, 4535, 5288, 6610, 7256, 8593, 9070, 10576, 11791, 13220, 14512, 17186, 18140, 23582, 26440, 34372, 36280, 42965, 47164, 52880, 58955, 68744, 72560, 85930, 94328, 117910, 137488, 171860, 188656, 235820, 343720, 471640, 599527, 687440, 943280, 1199054, 2398108, 2997635, 4796216, 5995270, 7793851, 9592432, 11990540, 15587702, 23981080, 31175404, 38969255, 47962160, 62350808, 77938510, 124701616, 155877020, 311754040, 623508080]

約数ペア:

[(1, 623508080), (2, 311754040), (4, 155877020), (5, 124701616), (8, 77938510), (10, 62350808), (13, 47962160), (16, 38969255), (20, 31175404), (26, 23981080), (40, 15587702), (52, 11990540), (65, 9592432), (80, 7793851), (104, 5995270), (130, 4796216), (208, 2997635), (260, 2398108), (520, 1199054), (661, 943280), (907, 687440), (1040, 599527), (1322, 471640), (1814, 343720), (2644, 235820), (3305, 188656), (3628, 171860), (4535, 137488), (5288, 117910), (6610, 94328), (7256, 85930), (8593, 72560), (9070, 68744), (10576, 58955), (11791, 52880), (13220, 47164), (14512, 42965), (17186, 36280), (18140, 34372), (23582, 26440)]