38878240

素因数分解:

$2^5\times 5^1\times {\mathrm{242989}}^1$

素因数の和:243004

約数の個数: 24

約数和(自身を含む): 91850220

約数和(自身を除く): 52971980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 242989, 485978, 971956, 1214945, 1943912, 2429890, 3887824, 4859780, 7775648, 9719560, 19439120, 38878240]

約数ペア:

[(1, 38878240), (2, 19439120), (4, 9719560), (5, 7775648), (8, 4859780), (10, 3887824), (16, 2429890), (20, 1943912), (32, 1214945), (40, 971956), (80, 485978), (160, 242989)]