82871920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54521}}^1$

素因数の和:54553

約数の個数: 40

約数和(自身を含む): 202821840

約数和(自身を除く): 119949920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 54521, 109042, 218084, 272605, 436168, 545210, 872336, 1035899, 1090420, 2071798, 2180840, 4143596, 4361680, 5179495, 8287192, 10358990, 16574384, 20717980, 41435960, 82871920]

約数ペア:

[(1, 82871920), (2, 41435960), (4, 20717980), (5, 16574384), (8, 10358990), (10, 8287192), (16, 5179495), (19, 4361680), (20, 4143596), (38, 2180840), (40, 2071798), (76, 1090420), (80, 1035899), (95, 872336), (152, 545210), (190, 436168), (304, 272605), (380, 218084), (760, 109042), (1520, 54521)]