84020840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 198581760

約数和(自身を除く): 114560920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 271, 337, 460, 542, 674, 920, 1084, 1348, 1355, 1685, 2168, 2696, 2710, 3370, 5420, 6233, 6740, 7751, 10840, 12466, 13480, 15502, 24932, 31004, 31165, 38755, 49864, 62008, 62330, 77510, 91327, 124660, 155020, 182654, 249320, 310040, 365308, 456635, 730616, 913270, 1826540, 2100521, 3653080, 4201042, 8402084, 10502605, 16804168, 21005210, 42010420, 84020840]

約数ペア:

[(1, 84020840), (2, 42010420), (4, 21005210), (5, 16804168), (8, 10502605), (10, 8402084), (20, 4201042), (23, 3653080), (40, 2100521), (46, 1826540), (92, 913270), (115, 730616), (184, 456635), (230, 365308), (271, 310040), (337, 249320), (460, 182654), (542, 155020), (674, 124660), (920, 91327), (1084, 77510), (1348, 62330), (1355, 62008), (1685, 49864), (2168, 38755), (2696, 31165), (2710, 31004), (3370, 24932), (5420, 15502), (6233, 13480), (6740, 12466), (7751, 10840)]