164564320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54133}}^1$

素因数の和:54167

約数の個数: 48

約数和(自身を含む): 409253040

約数和(自身を除く): 244688720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 54133, 108266, 216532, 270665, 433064, 541330, 866128, 1028527, 1082660, 1732256, 2057054, 2165320, 4114108, 4330640, 5142635, 8228216, 8661280, 10285270, 16456432, 20570540, 32912864, 41141080, 82282160, 164564320]

約数ペア:

[(1, 164564320), (2, 82282160), (4, 41141080), (5, 32912864), (8, 20570540), (10, 16456432), (16, 10285270), (19, 8661280), (20, 8228216), (32, 5142635), (38, 4330640), (40, 4114108), (76, 2165320), (80, 2057054), (95, 1732256), (152, 1082660), (160, 1028527), (190, 866128), (304, 541330), (380, 433064), (608, 270665), (760, 216532), (1520, 108266), (3040, 54133)]