39877960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 95385600

約数和(自身を除く): 55507640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 274, 380, 383, 548, 685, 760, 766, 1096, 1370, 1532, 1915, 2603, 2740, 3064, 3830, 5206, 5480, 7277, 7660, 10412, 13015, 14554, 15320, 20824, 26030, 29108, 36385, 52060, 52471, 58216, 72770, 104120, 104942, 145540, 209884, 262355, 291080, 419768, 524710, 996949, 1049420, 1993898, 2098840, 3987796, 4984745, 7975592, 9969490, 19938980, 39877960]

約数ペア:

[(1, 39877960), (2, 19938980), (4, 9969490), (5, 7975592), (8, 4984745), (10, 3987796), (19, 2098840), (20, 1993898), (38, 1049420), (40, 996949), (76, 524710), (95, 419768), (137, 291080), (152, 262355), (190, 209884), (274, 145540), (380, 104942), (383, 104120), (548, 72770), (685, 58216), (760, 52471), (766, 52060), (1096, 36385), (1370, 29108), (1532, 26030), (1915, 20824), (2603, 15320), (2740, 14554), (3064, 13015), (3830, 10412), (5206, 7660), (5480, 7277)]