66282640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43607}}^1$

素因数の和:43639

約数の個数: 40

約数和(自身を含む): 162221760

約数和(自身を除く): 95939120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 43607, 87214, 174428, 218035, 348856, 436070, 697712, 828533, 872140, 1657066, 1744280, 3314132, 3488560, 4142665, 6628264, 8285330, 13256528, 16570660, 33141320, 66282640]

約数ペア:

[(1, 66282640), (2, 33141320), (4, 16570660), (5, 13256528), (8, 8285330), (10, 6628264), (16, 4142665), (19, 3488560), (20, 3314132), (38, 1744280), (40, 1657066), (76, 872140), (80, 828533), (95, 697712), (152, 436070), (190, 348856), (304, 218035), (380, 174428), (760, 87214), (1520, 43607)]