529240

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 1211760

約数和(自身を除く): 682520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 131, 202, 262, 404, 505, 524, 655, 808, 1010, 1048, 1310, 2020, 2620, 4040, 5240, 13231, 26462, 52924, 66155, 105848, 132310, 264620, 529240]

約数ペア:

[(1, 529240), (2, 264620), (4, 132310), (5, 105848), (8, 66155), (10, 52924), (20, 26462), (40, 13231), (101, 5240), (131, 4040), (202, 2620), (262, 2020), (404, 1310), (505, 1048), (524, 1010), (655, 808)]