200737640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{122401}}^1$

素因数の和:122453

約数の個数: 32

約数和(自身を含む): 462679560

約数和(自身を除く): 261941920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 122401, 244802, 489604, 612005, 979208, 1224010, 2448020, 4896040, 5018441, 10036882, 20073764, 25092205, 40147528, 50184410, 100368820, 200737640]

約数ペア:

[(1, 200737640), (2, 100368820), (4, 50184410), (5, 40147528), (8, 25092205), (10, 20073764), (20, 10036882), (40, 5018441), (41, 4896040), (82, 2448020), (164, 1224010), (205, 979208), (328, 612005), (410, 489604), (820, 244802), (1640, 122401)]