19626760

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6211}}^1$

素因数の和:6301

約数の個数: 32

約数和(自身を含む): 44726400

約数和(自身を除く): 25099640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6211, 12422, 24844, 31055, 49688, 62110, 124220, 248440, 490669, 981338, 1962676, 2453345, 3925352, 4906690, 9813380, 19626760]

約数ペア:

[(1, 19626760), (2, 9813380), (4, 4906690), (5, 3925352), (8, 2453345), (10, 1962676), (20, 981338), (40, 490669), (79, 248440), (158, 124220), (316, 62110), (395, 49688), (632, 31055), (790, 24844), (1580, 12422), (3160, 6211)]