99940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 221760

約数和(自身を除く): 121820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 263, 380, 526, 1052, 1315, 2630, 4997, 5260, 9994, 19988, 24985, 49970, 99940]

約数ペア:

[(1, 99940), (2, 49970), (4, 24985), (5, 19988), (10, 9994), (19, 5260), (20, 4997), (38, 2630), (76, 1315), (95, 1052), (190, 526), (263, 380)]