12960109940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{39733}}^1$

素因数の和:40136

約数の個数: 48

約数和(自身を含む): 27876102912

約数和(自身を除く): 14915992972

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 347, 470, 694, 940, 1388, 1735, 3470, 6940, 16309, 32618, 39733, 65236, 79466, 81545, 158932, 163090, 198665, 326180, 397330, 794660, 1867451, 3734902, 7469804, 9337255, 13787351, 18674510, 27574702, 37349020, 55149404, 68936755, 137873510, 275747020, 648005497, 1296010994, 2592021988, 3240027485, 6480054970, 12960109940]

約数ペア:

[(1, 12960109940), (2, 6480054970), (4, 3240027485), (5, 2592021988), (10, 1296010994), (20, 648005497), (47, 275747020), (94, 137873510), (188, 68936755), (235, 55149404), (347, 37349020), (470, 27574702), (694, 18674510), (940, 13787351), (1388, 9337255), (1735, 7469804), (3470, 3734902), (6940, 1867451), (16309, 794660), (32618, 397330), (39733, 326180), (65236, 198665), (79466, 163090), (81545, 158932)]