7663840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2521}}^1$

素因数の和:2555

約数の個数: 48

約数和(自身を含む): 19066320

約数和(自身を除く): 11402480

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, 2521, 3040, 5042, 10084, 12605, 20168, 25210, 40336, 47899, 50420, 80672, 95798, 100840, 191596, 201680, 239495, 383192, 403360, 478990, 766384, 957980, 1532768, 1915960, 3831920, 7663840]

約数ペア:

[(1, 7663840), (2, 3831920), (4, 1915960), (5, 1532768), (8, 957980), (10, 766384), (16, 478990), (19, 403360), (20, 383192), (32, 239495), (38, 201680), (40, 191596), (76, 100840), (80, 95798), (95, 80672), (152, 50420), (160, 47899), (190, 40336), (304, 25210), (380, 20168), (608, 12605), (760, 10084), (1520, 5042), (2521, 3040)]