127780040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{32933}}^1$

素因数の和:33041

約数の個数: 32

約数和(自身を含む): 290477880

約数和(自身を除く): 162697840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 32933, 65866, 131732, 164665, 263464, 329330, 658660, 1317320, 3194501, 6389002, 12778004, 15972505, 25556008, 31945010, 63890020, 127780040]

約数ペア:

[(1, 127780040), (2, 63890020), (4, 31945010), (5, 25556008), (8, 15972505), (10, 12778004), (20, 6389002), (40, 3194501), (97, 1317320), (194, 658660), (388, 329330), (485, 263464), (776, 164665), (970, 131732), (1940, 65866), (3880, 32933)]