538489040

素因数分解:

$2^4\times 5^1\times {\mathrm{6731113}}^1$

素因数の和:6731126

約数の個数: 20

約数和(自身を含む): 1251987204

約数和(自身を除く): 713498164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6731113, 13462226, 26924452, 33655565, 53848904, 67311130, 107697808, 134622260, 269244520, 538489040]

約数ペア:

[(1, 538489040), (2, 269244520), (4, 134622260), (5, 107697808), (8, 67311130), (10, 53848904), (16, 33655565), (20, 26924452), (40, 13462226), (80, 6731113)]