508720040

素因数分解:

$2^3\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{7109}}^1$

素因数の和:8909

約数の個数: 32

約数和(自身を含む): 1145421000

約数和(自身を除く): 636700960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1789, 3578, 7109, 7156, 8945, 14218, 14312, 17890, 28436, 35545, 35780, 56872, 71090, 71560, 142180, 284360, 12718001, 25436002, 50872004, 63590005, 101744008, 127180010, 254360020, 508720040]

約数ペア:

[(1, 508720040), (2, 254360020), (4, 127180010), (5, 101744008), (8, 63590005), (10, 50872004), (20, 25436002), (40, 12718001), (1789, 284360), (3578, 142180), (7109, 71560), (7156, 71090), (8945, 56872), (14218, 35780), (14312, 35545), (17890, 28436)]