16912520

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{751}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 38171520

約数和(自身を除く): 21259000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 751, 1126, 1502, 2252, 2815, 3004, 3755, 4504, 5630, 6008, 7510, 11260, 15020, 22520, 30040, 422813, 845626, 1691252, 2114065, 3382504, 4228130, 8456260, 16912520]

約数ペア:

[(1, 16912520), (2, 8456260), (4, 4228130), (5, 3382504), (8, 2114065), (10, 1691252), (20, 845626), (40, 422813), (563, 30040), (751, 22520), (1126, 15020), (1502, 11260), (2252, 7510), (2815, 6008), (3004, 5630), (3755, 4504)]