1820540

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{401}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 3849552

約数和(自身を除く): 2029012

約数列:

[1, 2, 4, 5, 10, 20, 227, 401, 454, 802, 908, 1135, 1604, 2005, 2270, 4010, 4540, 8020, 91027, 182054, 364108, 455135, 910270, 1820540]

約数ペア:

[(1, 1820540), (2, 910270), (4, 455135), (5, 364108), (10, 182054), (20, 91027), (227, 8020), (401, 4540), (454, 4010), (802, 2270), (908, 2005), (1135, 1604)]