12665540

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1259}}^1$

素因数の和:1771

約数の個数: 24

約数和(自身を含む): 26671680

約数和(自身を除く): 14006140

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 1259, 2012, 2515, 2518, 5030, 5036, 6295, 10060, 12590, 25180, 633277, 1266554, 2533108, 3166385, 6332770, 12665540]

約数ペア:

[(1, 12665540), (2, 6332770), (4, 3166385), (5, 2533108), (10, 1266554), (20, 633277), (503, 25180), (1006, 12590), (1259, 10060), (2012, 6295), (2515, 5036), (2518, 5030)]