78852440

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{10321}}^1$

素因数の和:10523

約数の個数: 32

約数和(自身を含む): 178364160

約数和(自身を除く): 99511720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 10321, 20642, 41284, 51605, 82568, 103210, 206420, 412840, 1971311, 3942622, 7885244, 9856555, 15770488, 19713110, 39426220, 78852440]

約数ペア:

[(1, 78852440), (2, 39426220), (4, 19713110), (5, 15770488), (8, 9856555), (10, 7885244), (20, 3942622), (40, 1971311), (191, 412840), (382, 206420), (764, 103210), (955, 82568), (1528, 51605), (1910, 41284), (3820, 20642), (7640, 10321)]