131767120

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3931}}^1$

素因数の和:4363

約数の個数: 40

約数和(自身を含む): 307167840

約数和(自身を除く): 175400720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 3352, 3931, 4190, 6704, 7862, 8380, 15724, 16760, 19655, 31448, 33520, 39310, 62896, 78620, 157240, 314480, 1647089, 3294178, 6588356, 8235445, 13176712, 16470890, 26353424, 32941780, 65883560, 131767120]

約数ペア:

[(1, 131767120), (2, 65883560), (4, 32941780), (5, 26353424), (8, 16470890), (10, 13176712), (16, 8235445), (20, 6588356), (40, 3294178), (80, 1647089), (419, 314480), (838, 157240), (1676, 78620), (2095, 62896), (3352, 39310), (3931, 33520), (4190, 31448), (6704, 19655), (7862, 16760), (8380, 15724)]