9517744840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1\times {\mathrm{2081}}^1$

素因数の和:3250

約数の個数: 64

約数和(自身を含む): 21642390000

約数和(自身を除く): 12124645160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1049, 1090, 2081, 2098, 2180, 4162, 4196, 4360, 5245, 8324, 8392, 10405, 10490, 16648, 20810, 20980, 41620, 41960, 83240, 114341, 226829, 228682, 453658, 457364, 571705, 907316, 914728, 1134145, 1143410, 1814632, 2182969, 2268290, 2286820, 4365938, 4536580, 4573640, 8731876, 9073160, 10914845, 17463752, 21829690, 43659380, 87318760, 237943621, 475887242, 951774484, 1189718105, 1903548968, 2379436210, 4758872420, 9517744840]

約数ペア:

[(1, 9517744840), (2, 4758872420), (4, 2379436210), (5, 1903548968), (8, 1189718105), (10, 951774484), (20, 475887242), (40, 237943621), (109, 87318760), (218, 43659380), (436, 21829690), (545, 17463752), (872, 10914845), (1049, 9073160), (1090, 8731876), (2081, 4573640), (2098, 4536580), (2180, 4365938), (4162, 2286820), (4196, 2268290), (4360, 2182969), (5245, 1814632), (8324, 1143410), (8392, 1134145), (10405, 914728), (10490, 907316), (16648, 571705), (20810, 457364), (20980, 453658), (41620, 228682), (41960, 226829), (83240, 114341)]