40640272

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{8669}}^1$

素因数の和:8970

約数の個数: 20

約数和(自身を含む): 79018380

約数和(自身を除く): 38378108

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4688, 8669, 17338, 34676, 69352, 138704, 2540017, 5080034, 10160068, 20320136, 40640272]

約数ペア:

[(1, 40640272), (2, 20320136), (4, 10160068), (8, 5080034), (16, 2540017), (293, 138704), (586, 69352), (1172, 34676), (2344, 17338), (4688, 8669)]