78832120

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{5647}}^1$

素因数の和:6007

約数の個数: 32

約数和(自身を含む): 177912000

約数和(自身を除く): 99079880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 5647, 6980, 11294, 13960, 22588, 28235, 45176, 56470, 112940, 225880, 1970803, 3941606, 7883212, 9854015, 15766424, 19708030, 39416060, 78832120]

約数ペア:

[(1, 78832120), (2, 39416060), (4, 19708030), (5, 15766424), (8, 9854015), (10, 7883212), (20, 3941606), (40, 1970803), (349, 225880), (698, 112940), (1396, 56470), (1745, 45176), (2792, 28235), (3490, 22588), (5647, 13960), (6980, 11294)]