66688480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21937}}^1$

素因数の和:21971

約数の個数: 48

約数和(自身を含む): 165851280

約数和(自身を除く): 99162800

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, 21937, 43874, 87748, 109685, 175496, 219370, 350992, 416803, 438740, 701984, 833606, 877480, 1667212, 1754960, 2084015, 3334424, 3509920, 4168030, 6668848, 8336060, 13337696, 16672120, 33344240, 66688480]

約数ペア:

[(1, 66688480), (2, 33344240), (4, 16672120), (5, 13337696), (8, 8336060), (10, 6668848), (16, 4168030), (19, 3509920), (20, 3334424), (32, 2084015), (38, 1754960), (40, 1667212), (76, 877480), (80, 833606), (95, 701984), (152, 438740), (160, 416803), (190, 350992), (304, 219370), (380, 175496), (608, 109685), (760, 87748), (1520, 43874), (3040, 21937)]