520059160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{213139}}^1$

素因数の和:213211

約数の個数: 32

約数和(自身を含む): 1189321200

約数和(自身を除く): 669262040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 213139, 426278, 852556, 1065695, 1705112, 2131390, 4262780, 8525560, 13001479, 26002958, 52005916, 65007395, 104011832, 130014790, 260029580, 520059160]

約数ペア:

[(1, 520059160), (2, 260029580), (4, 130014790), (5, 104011832), (8, 65007395), (10, 52005916), (20, 26002958), (40, 13001479), (61, 8525560), (122, 4262780), (244, 2131390), (305, 1705112), (488, 1065695), (610, 852556), (1220, 426278), (2440, 213139)]