16719520

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1357

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 23288000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1259, 1328, 1660, 2518, 2656, 3320, 5036, 6295, 6640, 10072, 12590, 13280, 20144, 25180, 40288, 50360, 100720, 104497, 201440, 208994, 417988, 522485, 835976, 1044970, 1671952, 2089940, 3343904, 4179880, 8359760, 16719520]

約数ペア:

[(1, 16719520), (2, 8359760), (4, 4179880), (5, 3343904), (8, 2089940), (10, 1671952), (16, 1044970), (20, 835976), (32, 522485), (40, 417988), (80, 208994), (83, 201440), (160, 104497), (166, 100720), (332, 50360), (415, 40288), (664, 25180), (830, 20144), (1259, 13280), (1328, 12590), (1660, 10072), (2518, 6640), (2656, 6295), (3320, 5036)]