123862477720

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{31923319}}^1$

素因数の和:31923427

約数の個数: 32

約数和(自身を含む): 281563682400

約数和(自身を除く): 157701204680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 31923319, 63846638, 127693276, 159616595, 255386552, 319233190, 638466380, 1276932760, 3096561943, 6193123886, 12386247772, 15482809715, 24772495544, 30965619430, 61931238860, 123862477720]

約数ペア:

[(1, 123862477720), (2, 61931238860), (4, 30965619430), (5, 24772495544), (8, 15482809715), (10, 12386247772), (20, 6193123886), (40, 3096561943), (97, 1276932760), (194, 638466380), (388, 319233190), (485, 255386552), (776, 159616595), (970, 127693276), (1940, 63846638), (3880, 31923319)]