39640688

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{6863}}^1$

素因数の和:6909

約数の個数: 30

約数和(自身を含む): 81070704

約数和(自身を除く): 41430016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 6863, 13726, 27452, 54904, 109808, 130397, 260794, 521588, 1043176, 2086352, 2477543, 4955086, 9910172, 19820344, 39640688]

約数ペア:

[(1, 39640688), (2, 19820344), (4, 9910172), (8, 4955086), (16, 2477543), (19, 2086352), (38, 1043176), (76, 521588), (152, 260794), (304, 130397), (361, 109808), (722, 54904), (1444, 27452), (2888, 13726), (5776, 6863)]