16040120

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1117}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 36223200

約数和(自身を除く): 20183080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1117, 1436, 1795, 2234, 2872, 3590, 4468, 5585, 7180, 8936, 11170, 14360, 22340, 44680, 401003, 802006, 1604012, 2005015, 3208024, 4010030, 8020060, 16040120]

約数ペア:

[(1, 16040120), (2, 8020060), (4, 4010030), (5, 3208024), (8, 2005015), (10, 1604012), (20, 802006), (40, 401003), (359, 44680), (718, 22340), (1117, 14360), (1436, 11170), (1795, 8936), (2234, 7180), (2872, 5585), (3590, 4468)]