205253480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{165527}}^1$

素因数の和:165569

約数の個数: 32

約数和(自身を含む): 476720640

約数和(自身を除く): 271467160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 165527, 331054, 662108, 827635, 1324216, 1655270, 3310540, 5131337, 6621080, 10262674, 20525348, 25656685, 41050696, 51313370, 102626740, 205253480]

約数ペア:

[(1, 205253480), (2, 102626740), (4, 51313370), (5, 41050696), (8, 25656685), (10, 20525348), (20, 10262674), (31, 6621080), (40, 5131337), (62, 3310540), (124, 1655270), (155, 1324216), (248, 827635), (310, 662108), (620, 331054), (1240, 165527)]