4040081264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{13289741}}^1$

素因数の和:13289768

約数の個数: 20

約数和(自身を含む): 8239640040

約数和(自身を除く): 4199558776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 13289741, 26579482, 53158964, 106317928, 212635856, 252505079, 505010158, 1010020316, 2020040632, 4040081264]

約数ペア:

[(1, 4040081264), (2, 2020040632), (4, 1010020316), (8, 505010158), (16, 252505079), (19, 212635856), (38, 106317928), (76, 53158964), (152, 26579482), (304, 13289741)]