164075960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{95393}}^1$

素因数の和:95447

約数の個数: 32

約数和(自身を含む): 377760240

約数和(自身を除く): 213684280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 95393, 190786, 381572, 476965, 763144, 953930, 1907860, 3815720, 4101899, 8203798, 16407596, 20509495, 32815192, 41018990, 82037980, 164075960]

約数ペア:

[(1, 164075960), (2, 82037980), (4, 41018990), (5, 32815192), (8, 20509495), (10, 16407596), (20, 8203798), (40, 4101899), (43, 3815720), (86, 1907860), (172, 953930), (215, 763144), (344, 476965), (430, 381572), (860, 190786), (1720, 95393)]