31449560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41381}}^1$

素因数の和:41411

約数の個数: 32

約数和(自身を含む): 74487600

約数和(自身を除く): 43038040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 41381, 82762, 165524, 206905, 331048, 413810, 786239, 827620, 1572478, 1655240, 3144956, 3931195, 6289912, 7862390, 15724780, 31449560]

約数ペア:

[(1, 31449560), (2, 15724780), (4, 7862390), (5, 6289912), (8, 3931195), (10, 3144956), (19, 1655240), (20, 1572478), (38, 827620), (40, 786239), (76, 413810), (95, 331048), (152, 206905), (190, 165524), (380, 82762), (760, 41381)]