26240140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 58464000

約数和(自身を除く): 32223860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 199, 347, 380, 398, 694, 796, 995, 1388, 1735, 1990, 3470, 3781, 3980, 6593, 6940, 7562, 13186, 15124, 18905, 26372, 32965, 37810, 65930, 69053, 75620, 131860, 138106, 276212, 345265, 690530, 1312007, 1381060, 2624014, 5248028, 6560035, 13120070, 26240140]

約数ペア:

[(1, 26240140), (2, 13120070), (4, 6560035), (5, 5248028), (10, 2624014), (19, 1381060), (20, 1312007), (38, 690530), (76, 345265), (95, 276212), (190, 138106), (199, 131860), (347, 75620), (380, 69053), (398, 65930), (694, 37810), (796, 32965), (995, 26372), (1388, 18905), (1735, 15124), (1990, 13186), (3470, 7562), (3781, 6940), (3980, 6593)]