80403364

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{55681}}^1$

素因数の和:55723

約数の個数: 18

約数和(自身を含む): 148503894

約数和(自身を除く): 68100530

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 55681, 111362, 222724, 1057939, 2115878, 4231756, 20100841, 40201682, 80403364]

約数ペア:

[(1, 80403364), (2, 40201682), (4, 20100841), (19, 4231756), (38, 2115878), (76, 1057939), (361, 222724), (722, 111362), (1444, 55681)]