78878120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103787}}^1$

素因数の和:103817

約数の個数: 32

約数和(自身を含む): 186818400

約数和(自身を除く): 107940280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 103787, 207574, 415148, 518935, 830296, 1037870, 1971953, 2075740, 3943906, 4151480, 7887812, 9859765, 15775624, 19719530, 39439060, 78878120]

約数ペア:

[(1, 78878120), (2, 39439060), (4, 19719530), (5, 15775624), (8, 9859765), (10, 7887812), (19, 4151480), (20, 3943906), (38, 2075740), (40, 1971953), (76, 1037870), (95, 830296), (152, 518935), (190, 415148), (380, 207574), (760, 103787)]