13832019920

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1\times {\mathrm{887}}^1$

素因数の和:1788

約数の個数: 80

約数和(自身を含む): 32342537088

約数和(自身を除く): 18510517168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 491, 794, 887, 982, 1588, 1774, 1964, 1985, 2455, 3176, 3548, 3928, 3970, 4435, 4910, 6352, 7096, 7856, 7940, 8870, 9820, 14192, 15880, 17740, 19640, 31760, 35480, 39280, 70960, 194927, 352139, 389854, 435517, 704278, 779708, 871034, 974635, 1408556, 1559416, 1742068, 1760695, 1949270, 2177585, 2817112, 3118832, 3484136, 3521390, 3898540, 4355170, 5634224, 6968272, 7042780, 7797080, 8710340, 14085560, 15594160, 17420680, 28171120, 34841360, 172900249, 345800498, 691600996, 864501245, 1383201992, 1729002490, 2766403984, 3458004980, 6916009960, 13832019920]

約数ペア:

[(1, 13832019920), (2, 6916009960), (4, 3458004980), (5, 2766403984), (8, 1729002490), (10, 1383201992), (16, 864501245), (20, 691600996), (40, 345800498), (80, 172900249), (397, 34841360), (491, 28171120), (794, 17420680), (887, 15594160), (982, 14085560), (1588, 8710340), (1774, 7797080), (1964, 7042780), (1985, 6968272), (2455, 5634224), (3176, 4355170), (3548, 3898540), (3928, 3521390), (3970, 3484136), (4435, 3118832), (4910, 2817112), (6352, 2177585), (7096, 1949270), (7856, 1760695), (7940, 1742068), (8870, 1559416), (9820, 1408556), (14192, 974635), (15880, 871034), (17740, 779708), (19640, 704278), (31760, 435517), (35480, 389854), (39280, 352139), (70960, 194927)]